118057999 has 4 divisors (see below), whose sum is σ = 118361880. Its totient is φ = 117754120.

The previous prime is 118057981. The next prime is 118058023. The reversal of 118057999 is 999750811.

It is a happy number.

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 118057999 - 2⁵ = 118057967 is a prime.

It is a super-2 number, since 2×118057999² = 27875382255768002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118057909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151357 + ... + 152134.

It is an arithmetic number, because the mean of its divisors is an integer number (29590470).

Almost surely, 2^118057999 is an apocalyptic number.

118057999 is a deficient number, since it is larger than the sum of its proper divisors (303881).

118057999 is an equidigital number, since it uses as much as digits as its factorization.

118057999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303880.

The product of its (nonzero) digits is 204120, while the sum is 49.

The square root of 118057999 is about 10865.4497836031. The cubic root of 118057999 is about 490.5671608504.

The spelling of 118057999 in words is "one hundred eighteen million, fifty-seven thousand, nine hundred ninety-nine".