126 is the natural number following 125 and preceding 127.

Cardinal	One hundred [and] twenty-six
Ordinal	126th
Factorization
Divisors	2, 3, 6, 7, 9, 14, 18, 21, 42, 63
Roman numeral	CXXVI
Binary	1111110
Hexadecimal	78

One hundred twenty-six is a pentagonal pyramidal number, and a decagonal number. It is an abundant number and a Harshad number. It is a Friedman number since 126 = 6 * 21.

One hundred twenty-six is also:

• The seventh and last Magic number in physics.
• The designation of a spur route of Interstate 26 in Columbia, South Carolina.
• The year AD 126 or 126 BC.

See also: One hundred twenty