112644520 has 64 divisors (see below), whose sum is σ = 262944000. Its totient is φ = 43400448.

The previous prime is 112644479. The next prime is 112644523. The reversal of 112644520 is 25446211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (112644523) 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, 135466 + ... + 136294.

It is an arithmetic number, because the mean of its divisors is an integer number (4108500).

Almost surely, 2^112644520 is an apocalyptic number.

112644520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112644520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131472000).

112644520 is an abundant number, since it is smaller than the sum of its proper divisors (150299480).

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

112644520 is a wasteful number, since it uses less digits than its factorization.

112644520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 112644520 is about 10613.4122693882. The cubic root of 112644520 is about 482.9513187022.

The spelling of 112644520 in words is "one hundred twelve million, six hundred forty-four thousand, five hundred twenty".