1112428800 has 648 divisors, whose sum is σ = 4744696320. Its totient is φ = 243302400.

The previous prime is 1112428789. The next prime is 1112428843. The reversal of 1112428800 is 88242111.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12499156 + ... + 12499244.

Almost surely, 2^1112428800 is an apocalyptic number.

1112428800 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 1112428800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2372348160).

1112428800 is an abundant number, since it is smaller than the sum of its proper divisors (3632267520).

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

1112428800 is a wasteful number, since it uses less digits than its factorization.

1112428800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 1112428800 is about 33353.0928101128. The cubic root of 1112428800 is about 1036.1534434797.

The spelling of 1112428800 in words is "one billion, one hundred twelve million, four hundred twenty-eight thousand, eight hundred".