113118120 has 80 divisors (see below), whose sum is σ = 380213460. Its totient is φ = 30163968.

The previous prime is 113118073. The next prime is 113118121. The reversal of 113118120 is 21811311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 112402404 + 715716 = 10602^2 + 846^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 113118093 and 113118102.

It is not an unprimeable number, because it can be changed into a prime (113118121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14217 + ... + 20696.

Almost surely, 2^113118120 is an apocalyptic number.

113118120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113118120 is an abundant number, since it is smaller than the sum of its proper divisors (267095340).

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

113118120 is a wasteful number, since it uses less digits than its factorization.

113118120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34936 (or 34923 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 113118120 is about 10635.7002590333. The cubic root of 113118120 is about 483.6272087838.

Adding to 113118120 its reverse (21811311), we get a palindrome (134929431).

The spelling of 113118120 in words is "one hundred thirteen million, one hundred eighteen thousand, one hundred twenty".