112921904 has 20 divisors (see below), whose sum is σ = 228299376. Its totient is φ = 54005952.

The previous prime is 112921903. The next prime is 112921931. The reversal of 112921904 is 409129211.

It is not an unprimeable number, because it can be changed into a prime (112921901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153059 + ... + 153794.

Almost surely, 2^112921904 is an apocalyptic number.

It is an amenable number.

112921904 is an abundant number, since it is smaller than the sum of its proper divisors (115377472).

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

112921904 is a wasteful number, since it uses less digits than its factorization.

112921904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306884 (or 306878 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 112921904 is about 10626.4718509955. The cubic root of 112921904 is about 483.3474118240.

The spelling of 112921904 in words is "one hundred twelve million, nine hundred twenty-one thousand, nine hundred four".