118155 has 8 divisors (see below), whose sum is σ = 189072. Its totient is φ = 63008.

The previous prime is 118147. The next prime is 118163. The reversal of 118155 is 551811.

It is an interprime number because it is at equal distance from previous prime (118147) and next prime (118163).

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 118155 - 2³ = 118147 is a prime.

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, 3924 + ... + 3953.

It is an arithmetic number, because the mean of its divisors is an integer number (23634).

2¹¹⁸¹⁵⁵ is an apocalyptic number.

118155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

118155 is a deficient number, since it is larger than the sum of its proper divisors (70917).

118155 is an equidigital number, since it uses as much as digits as its factorization.

118155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885.

The product of its digits is 200, while the sum is 21.

The square root of 118155 is about 343.7368179291. The cubic root of 118155 is about 49.0701480362.

Adding to 118155 its reverse (551811), we get a palindrome (669966).

The spelling of 118155 in words is "one hundred eighteen thousand, one hundred fifty-five".