124 (number)

← 123 124 125 →
← 120 121 122 123 124 125 126 127 128 129 → List of numbers Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	one hundred twenty-four
Ordinal	124th (one hundred twenty-fourth)
Factorization	22 × 31
Divisors	1, 2, 4, 31, 62, 124
Greek numeral	ΡΚΔ´
Roman numeral	CXXIV, cxxiv
Binary	11111002
Ternary	111213
Senary	3246
Octal	1748
Duodecimal	A412
Hexadecimal	7C16

124 (one hundred [and] twenty-four) is the natural number following 123 and preceding 125.

In mathematics

124 is the sum of eight consecutive primes (5 + 7 + 11 + 13 + 17 + 19 + 23 + 29). It is a nontotient since there is no integer with 124 coprimes below it. It is an untouchable number since there is no integer whose proper divisors add up to 124.

In base 5 it is a repdigit (444₅).

In the military

• AN/FPS-124 radar system used by the United States and Canada military via NORAD
• Douglas C-124 Globemaster II was a heavy-lift military transport aircraft
• Sikorsky CH-124 Sea King twin-engined anti-submarine warfare (ASW) helicopter
• US Air Force's 124th Wing Air National Guard unit based out of Gowen Field, Boise, Idaho
• USNS Mission San Gabriel (AO-124) Mission Buenaventura Class fleet oilers during World War II
• USS Threat (AM-124) was a United States Navy Auk-class minesweeper
• VF-124 Gunfighters was the pacific fleet F-8
• Marine Attack Squadron 124 was a fighter squadron in the United States Marine Forces Reserve based out of Naval Air Station Memphis
• The medical emergency telephone number in Bosnia and Herzegovina

In transportation

• The Fiat 124 Sedan produced from 1966 to 1974
• The Fiat 124 Coupé produced from 1967 to 1975
• The Fiat 124 Sport Spider convertible produced from 1966 to 1985
• The Mercedes-Benz W124 produced from 1984 to 1997
• London Buses route 124 is a Transport for London contracted bus route in London
• STS-124 is a Space Shuttle mission to the International Space Station scheduled for May 2008
• The Antonov An-124 heavy lift aircraft

In other fields

124 is also:

• The year AD 124 or 124 BC
• 124 AH is a year in the Islamic calendar that corresponds to 741 – 742 CE
• 124 Alkeste is a Main belt asteroid discovered in 1872
• The atomic number of the yet-to-be-discovered element unbiquadium
• Tellurium-124 is a stable isotope of tellurium
• Palestinian territories ranks #124 in world population
• Sonnet 124 by William Shakespeare

See also

• 124th (disambiguation)
• List of highways numbered 124
• United Nations Security Council Resolution 124