112505520 has 40 divisors (see below), whose sum is σ = 348767856. Its totient is φ = 30001408.

The previous prime is 112505453. The next prime is 112505521. The reversal of 112505520 is 25505211.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (112505521) by changing a digit.

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, 234147 + ... + 234626.

Almost surely, 2^112505520 is an apocalyptic number.

112505520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112505520 is an abundant number, since it is smaller than the sum of its proper divisors (236262336).

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

112505520 is a wasteful number, since it uses less digits than its factorization.

112505520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468789 (or 468783 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 112505520 is about 10606.8619299018. The cubic root of 112505520 is about 482.7525877313.

The spelling of 112505520 in words is "one hundred twelve million, five hundred five thousand, five hundred twenty".