112111972 has 12 divisors (see below), whose sum is σ = 224224000. Its totient is φ = 48047976.

The previous prime is 112111931. The next prime is 112111997. The reversal of 112111972 is 279111211.

112111972 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001972 + ... + 2002027.

Almost surely, 2^112111972 is an apocalyptic number.

It is an amenable number.

112111972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

112111972 is a wasteful number, since it uses less digits than its factorization.

112111972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004010 (or 4004008 counting only the distinct ones).

The product of its digits is 252, while the sum is 25.

The square root of 112111972 is about 10588.2941024511. The cubic root of 112111972 is about 482.1890353147.

The spelling of 112111972 in words is "one hundred twelve million, one hundred eleven thousand, nine hundred seventy-two".