118518 has 8 divisors (see below), whose sum is σ = 237048. Its totient is φ = 39504.

The previous prime is 118493. The next prime is 118529. The reversal of 118518 is 815811.

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

118518 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9871 + ... + 9882.

It is an arithmetic number, because the mean of its divisors is an integer number (29631).

2¹¹⁸⁵¹⁸ is an apocalyptic number.

118518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

118518 is a wasteful number, since it uses less digits than its factorization.

118518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19758.

The product of its digits is 320, while the sum is 24.

The square root of 118518 is about 344.2644332486. The cubic root of 118518 is about 49.1203483478.

It can be divided in two parts, 118 and 518, that added together give a palindrome (636).

The spelling of 118518 in words is "one hundred eighteen thousand, five hundred eighteen".