118090 has 24 divisors (see below), whose sum is σ = 248292. Its totient is φ = 40320.

The previous prime is 118081. The next prime is 118093. The reversal of 118090 is 90811.

118090 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 2 ways, for example, as 117649 + 441 = 343^2 + 21^2 .

It is not an unprimeable number, because it can be changed into a prime (118093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370 + ... + 610.

2¹¹⁸⁰⁹⁰ is an apocalyptic number.

118090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118090 is an abundant number, since it is smaller than the sum of its proper divisors (130202).

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

118090 is a wasteful number, since it uses less digits than its factorization.

118090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 118090 is about 343.6422558417. The cubic root of 118090 is about 49.0611481500.

The spelling of 118090 in words is "one hundred eighteen thousand, ninety".