118550 has 12 divisors (see below), whose sum is σ = 220596. Its totient is φ = 47400.

The previous prime is 118549. The next prime is 118571. The reversal of 118550 is 55811.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1136 + ... + 1235.

It is an arithmetic number, because the mean of its divisors is an integer number (18383).

2¹¹⁸⁵⁵⁰ is an apocalyptic number.

118550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118550 is a deficient number, since it is larger than the sum of its proper divisors (102046).

118550 is a wasteful number, since it uses less digits than its factorization.

118550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383 (or 2378 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 118550 is about 344.3109060137. The cubic root of 118550 is about 49.1247688007.

The spelling of 118550 in words is "one hundred eighteen thousand, five hundred fifty".