112172520 has 32 divisors (see below), whose sum is σ = 336517920. Its totient is φ = 29912640.

The previous prime is 112172507. The next prime is 112172527. The reversal of 112172520 is 25271211.

It is not an unprimeable number, because it can be changed into a prime (112172527) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 467266 + ... + 467505.

It is an arithmetic number, because the mean of its divisors is an integer number (10516185).

Almost surely, 2^112172520 is an apocalyptic number.

112172520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112172520 is an abundant number, since it is smaller than the sum of its proper divisors (224345400).

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

112172520 is a wasteful number, since it uses less digits than its factorization.

112172520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934785 (or 934781 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 112172520 is about 10591.1529117467. The cubic root of 112172520 is about 482.2758245217.

The spelling of 112172520 in words is "one hundred twelve million, one hundred seventy-two thousand, five hundred twenty".