113888172 has 48 divisors (see below), whose sum is σ = 279014400. Its totient is φ = 36108480.

The previous prime is 113888167. The next prime is 113888179. The reversal of 113888172 is 271888311.

It is a self number, because there is not a number n which added to its sum of digits gives 113888172.

It is not an unprimeable number, because it can be changed into a prime (113888179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19354 + ... + 24542.

It is an arithmetic number, because the mean of its divisors is an integer number (5812800).

Almost surely, 2^113888172 is an apocalyptic number.

113888172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113888172 is an abundant number, since it is smaller than the sum of its proper divisors (165126228).

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

113888172 is a wasteful number, since it uses less digits than its factorization.

113888172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286 (or 5284 counting only the distinct ones).

The product of its digits is 21504, while the sum is 39.

The square root of 113888172 is about 10671.8401412315. The cubic root of 113888172 is about 484.7221592121.

The spelling of 113888172 in words is "one hundred thirteen million, eight hundred eighty-eight thousand, one hundred seventy-two".