113820907 has 4 divisors (see below), whose sum is σ = 113945680. Its totient is φ = 113696136.

The previous prime is 113820869. The next prime is 113820919. The reversal of 113820907 is 709028311.

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

It is a cyclic number.

It is not a de Polignac number, because 113820907 - 2⁷ = 113820779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113820107) 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, 61008 + ... + 62845.

It is an arithmetic number, because the mean of its divisors is an integer number (28486420).

Almost surely, 2^113820907 is an apocalyptic number.

113820907 is a deficient number, since it is larger than the sum of its proper divisors (124773).

113820907 is an equidigital number, since it uses as much as digits as its factorization.

113820907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124772.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 113820907 is about 10668.6881574072. The cubic root of 113820907 is about 484.6267110292.

The spelling of 113820907 in words is "one hundred thirteen million, eight hundred twenty thousand, nine hundred seven".