113975720 has 32 divisors (see below), whose sum is σ = 258093000. Its totient is φ = 45297408.

The previous prime is 113975717. The next prime is 113975723. The reversal of 113975720 is 27579311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (113975717) and next prime (113975723).

It can be written as a sum of positive squares in 4 ways, for example, as 68790436 + 45185284 = 8294^2 + 6722^2 .

It is not an unprimeable number, because it can be changed into a prime (113975723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2795 + ... + 15354.

Almost surely, 2^113975720 is an apocalyptic number.

113975720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113975720 is an abundant number, since it is smaller than the sum of its proper divisors (144117280).

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

113975720 is a wasteful number, since it uses less digits than its factorization.

113975720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18317 (or 18313 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 113975720 is about 10675.9411763085. The cubic root of 113975720 is about 484.8463324415.

The spelling of 113975720 in words is "one hundred thirteen million, nine hundred seventy-five thousand, seven hundred twenty".