118955939 has 2 divisors, whose sum is σ = 118955940. Its totient is φ = 118955938.

The previous prime is 118955929. The next prime is 118955957. The reversal of 118955939 is 939559811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118955939 - 2⁴ = 118955923 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (118955929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59477969 + 59477970.

It is an arithmetic number, because the mean of its divisors is an integer number (59477970).

Almost surely, 2^118955939 is an apocalyptic number.

118955939 is a deficient number, since it is larger than the sum of its proper divisors (1).

118955939 is an equidigital number, since it uses as much as digits as its factorization.

118955939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 437400, while the sum is 50.

The square root of 118955939 is about 10906.6923950389. The cubic root of 118955939 is about 491.8077594623.

The spelling of 118955939 in words is "one hundred eighteen million, nine hundred fifty-five thousand, nine hundred thirty-nine".