113020120 has 16 divisors (see below), whose sum is σ = 254295360. Its totient is φ = 45208032.

The previous prime is 113020109. The next prime is 113020139. The reversal of 113020120 is 21020311.

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 = 113020097 and 113020106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412712 + ... + 1412791.

It is an arithmetic number, because the mean of its divisors is an integer number (15893460).

Almost surely, 2^113020120 is an apocalyptic number.

113020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113020120 is an abundant number, since it is smaller than the sum of its proper divisors (141275240).

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

113020120 is a wasteful number, since it uses less digits than its factorization.

113020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825514 (or 2825510 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 113020120 is about 10631.0921358062. The cubic root of 113020120 is about 483.4875047880.

Adding to 113020120 its reverse (21020311), we get a palindrome (134040431).

The spelling of 113020120 in words is "one hundred thirteen million, twenty thousand, one hundred twenty".