112531788 has 24 divisors (see below), whose sum is σ = 291749360. Its totient is φ = 37510560.

The previous prime is 112531747. The next prime is 112531807. The reversal of 112531788 is 887135211.

112531788 is a `hidden beast` number, since 112 + 531 + 7 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 520873 + ... + 521088.

Almost surely, 2^112531788 is an apocalyptic number.

112531788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

112531788 is an abundant number, since it is smaller than the sum of its proper divisors (179217572).

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

112531788 is a wasteful number, since it uses less digits than its factorization.

112531788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041974 (or 1041966 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 112531788 is about 10608.1001126498. The cubic root of 112531788 is about 482.7901561344.

Adding to 112531788 its reverse (887135211), we get a palindrome (999666999).

It can be divided in two parts, 11253 and 1788, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 112531788 in words is "one hundred twelve million, five hundred thirty-one thousand, seven hundred eighty-eight".