113200120 has 32 divisors (see below), whose sum is σ = 277855920. Its totient is φ = 41163520.

The previous prime is 113200117. The next prime is 113200141. The reversal of 113200120 is 21002311.

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 = 113200097 and 113200106.

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, 128197 + ... + 129076.

Almost surely, 2^113200120 is an apocalyptic number.

113200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113200120 is an abundant number, since it is smaller than the sum of its proper divisors (164655800).

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

113200120 is a wasteful number, since it uses less digits than its factorization.

113200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257295 (or 257291 counting only the distinct ones).

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

The square root of 113200120 is about 10639.5545019517. The cubic root of 113200120 is about 483.7440419736.

Adding to 113200120 its reverse (21002311), we get a palindrome (134202431).

The spelling of 113200120 in words is "one hundred thirteen million, two hundred thousand, one hundred twenty".