112811520 has 160 divisors (see below), whose sum is σ = 371324448. Its totient is φ = 29196288.

The previous prime is 112811519. The next prime is 112811521. The reversal of 112811520 is 25118211.

It is an interprime number because it is at equal distance from previous prime (112811519) and next prime (112811521).

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112811521) 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, 283962 + ... + 284358.

Almost surely, 2^112811520 is an apocalyptic number.

112811520 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 112811520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185662224).

112811520 is an abundant number, since it is smaller than the sum of its proper divisors (258512928).

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

112811520 is an equidigital number, since it uses as much as digits as its factorization.

112811520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 112811520 is about 10621.2767594108. The cubic root of 112811520 is about 483.1898657290.

Adding to 112811520 its reverse (25118211), we get a palindrome (137929731).

The spelling of 112811520 in words is "one hundred twelve million, eight hundred eleven thousand, five hundred twenty".