118858 has 8 divisors (see below), whose sum is σ = 181152. Its totient is φ = 58476.

The previous prime is 118843. The next prime is 118861. The reversal of 118858 is 858811.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310 + ... + 577.

It is an arithmetic number, because the mean of its divisors is an integer number (22644).

2¹¹⁸⁸⁵⁸ is an apocalyptic number.

118858 is a deficient number, since it is larger than the sum of its proper divisors (62294).

118858 is an equidigital number, since it uses as much as digits as its factorization.

118858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956.

The product of its digits is 2560, while the sum is 31.

The square root of 118858 is about 344.7578860592. The cubic root of 118858 is about 49.1672750411.

The spelling of 118858 in words is "one hundred eighteen thousand, eight hundred fifty-eight".