112131504 has 60 divisors (see below), whose sum is σ = 318141096. Its totient is φ = 36861696.

The previous prime is 112131493. The next prime is 112131529. The reversal of 112131504 is 405131211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5179 + ... + 15845.

Almost surely, 2^112131504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112131504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159070548).

112131504 is an abundant number, since it is smaller than the sum of its proper divisors (206009592).

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

112131504 is a wasteful number, since it uses less digits than its factorization.

112131504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10754 (or 10745 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 112131504 is about 10589.2164016040. The cubic root of 112131504 is about 482.2170358015.

Adding to 112131504 its reverse (405131211), we get a palindrome (517262715).

The spelling of 112131504 in words is "one hundred twelve million, one hundred thirty-one thousand, five hundred four".