118855 has 8 divisors (see below), whose sum is σ = 155664. Its totient is φ = 86400.

The previous prime is 118843. The next prime is 118861. The reversal of 118855 is 558811.

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

It is not a de Polignac number, because 118855 - 2⁹ = 118343 is a prime.

It is a super-2 number, since 2×118855² = 28253022050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

118855 is a lucky number.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026 + ... + 1135.

It is an arithmetic number, because the mean of its divisors is an integer number (19458).

2¹¹⁸⁸⁵⁵ is an apocalyptic number.

118855 is a deficient number, since it is larger than the sum of its proper divisors (36809).

118855 is a wasteful number, since it uses less digits than its factorization.

118855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177.

The product of its digits is 1600, while the sum is 28.

The square root of 118855 is about 344.7535351523. The cubic root of 118855 is about 49.1668613737.

The spelling of 118855 in words is "one hundred eighteen thousand, eight hundred fifty-five".