112120120 has 32 divisors (see below), whose sum is σ = 288309600. Its totient is φ = 38441088.

The previous prime is 112120111. The next prime is 112120139. The reversal of 112120120 is 21021211.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 112120097 and 112120106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199935 + ... + 200494.

It is an arithmetic number, because the mean of its divisors is an integer number (9009675).

Almost surely, 2^112120120 is an apocalyptic number.

112120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112120120 is an abundant number, since it is smaller than the sum of its proper divisors (176189480).

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

112120120 is a wasteful number, since it uses less digits than its factorization.

112120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400447 (or 400443 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 112120120 is about 10588.6788599900. The cubic root of 112120120 is about 482.2007164374.

Adding to 112120120 its reverse (21021211), we get a palindrome (133141331).

The spelling of 112120120 in words is "one hundred twelve million, one hundred twenty thousand, one hundred twenty".