118255 has 8 divisors (see below), whose sum is σ = 144432. Its totient is φ = 92928.

The previous prime is 118253. The next prime is 118259. The reversal of 118255 is 552811.

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

It is a cyclic number.

It is not a de Polignac number, because 118255 - 2¹ = 118253 is a prime.

It is a Duffinian number.

118255 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159 + ... + 511.

It is an arithmetic number, because the mean of its divisors is an integer number (18054).

2¹¹⁸²⁵⁵ is an apocalyptic number.

118255 is a deficient number, since it is larger than the sum of its proper divisors (26177).

118255 is an equidigital number, since it uses as much as digits as its factorization.

118255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425.

The product of its digits is 400, while the sum is 22.

The square root of 118255 is about 343.8822472882. The cubic root of 118255 is about 49.0839875722.

Subtracting from 118255 its product of digits (400), we obtain a triangular number (117855 = T₄₈₅).

It can be divided in two parts, 118 and 255, that added together give a palindrome (373).

The spelling of 118255 in words is "one hundred eighteen thousand, two hundred fifty-five".