118043939 has 16 divisors (see below), whose sum is σ = 131712000. Its totient is φ = 105058080.

The previous prime is 118043927. The next prime is 118043953. The reversal of 118043939 is 939340811.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 118043939 - 2⁴ = 118043923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118043039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200804 + ... + 201390.

It is an arithmetic number, because the mean of its divisors is an integer number (8232000).

Almost surely, 2^118043939 is an apocalyptic number.

118043939 is a deficient number, since it is larger than the sum of its proper divisors (13668061).

118043939 is a wasteful number, since it uses less digits than its factorization.

118043939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 118043939 is about 10864.8027593694. The cubic root of 118043939 is about 490.5476855412.

The spelling of 118043939 in words is "one hundred eighteen million, forty-three thousand, nine hundred thirty-nine".