113620971 has 4 divisors (see below), whose sum is σ = 151494632. Its totient is φ = 75747312.

The previous prime is 113620957. The next prime is 113620981. The reversal of 113620971 is 179026311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 113620971 - 2⁶ = 113620907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113620901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18936826 + ... + 18936831.

It is an arithmetic number, because the mean of its divisors is an integer number (37873658).

Almost surely, 2^113620971 is an apocalyptic number.

113620971 is a deficient number, since it is larger than the sum of its proper divisors (37873661).

113620971 is an equidigital number, since it uses as much as digits as its factorization.

113620971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37873660.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 113620971 is about 10659.3138146881. The cubic root of 113620971 is about 484.3427821845.

The spelling of 113620971 in words is "one hundred thirteen million, six hundred twenty thousand, nine hundred seventy-one".