112189172 has 12 divisors (see below), whose sum is σ = 196728000. Its totient is φ = 55981176.

The previous prime is 112189127. The next prime is 112189223. The reversal of 112189172 is 271981211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26108 + ... + 30099.

It is an arithmetic number, because the mean of its divisors is an integer number (16394000).

Almost surely, 2^112189172 is an apocalyptic number.

It is an amenable number.

112189172 is a deficient number, since it is larger than the sum of its proper divisors (84538828).

112189172 is a wasteful number, since it uses less digits than its factorization.

112189172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56710 (or 56708 counting only the distinct ones).

The product of its digits is 2016, while the sum is 32.

The square root of 112189172 is about 10591.9390103984. The cubic root of 112189172 is about 482.2996879411.

The spelling of 112189172 in words is "one hundred twelve million, one hundred eighty-nine thousand, one hundred seventy-two".