1126400 has 78 divisors (see below), whose sum is σ = 3047052. Its totient is φ = 409600.

The previous prime is 1126399. The next prime is 1126421. The reversal of 1126400 is 46211.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102395 + ... + 102405.

2^1126400 is an apocalyptic number.

1126400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1523526).

1126400 is an abundant number, since it is smaller than the sum of its proper divisors (1920652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1126400 is an equidigital number, since it uses as much as digits as its factorization.

1126400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1126400 is about 1061.3199329137. The cubic root of 1126400 is about 104.0473157481.

The spelling of 1126400 in words is "one million, one hundred twenty-six thousand, four hundred".