118500 has 48 divisors (see below), whose sum is σ = 349440. Its totient is φ = 31200.

The previous prime is 118493. The next prime is 118529. The reversal of 118500 is 5811.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 118500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1461 + ... + 1539.

It is an arithmetic number, because the mean of its divisors is an integer number (7280).

2¹¹⁸⁵⁰⁰ is an apocalyptic number.

118500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174720).

118500 is an abundant number, since it is smaller than the sum of its proper divisors (230940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118500 is a wasteful number, since it uses less digits than its factorization.

118500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 118500 is about 344.2382895612. The cubic root of 118500 is about 49.1178614934.

The spelling of 118500 in words is "one hundred eighteen thousand, five hundred".