118490 has 24 divisors (see below), whose sum is σ = 232092. Its totient is φ = 43520.

The previous prime is 118471. The next prime is 118493. The reversal of 118490 is 94811.

It can be written as a sum of positive squares in 6 ways, for example, as 52441 + 66049 = 229^2 + 257^2 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2870 + ... + 2910.

2¹¹⁸⁴⁹⁰ is an apocalyptic number.

118490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118490 is a deficient number, since it is larger than the sum of its proper divisors (113602).

118490 is a wasteful number, since it uses less digits than its factorization.

118490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 118490 is about 344.2237644324. The cubic root of 118490 is about 49.1164797988.

The spelling of 118490 in words is "one hundred eighteen thousand, four hundred ninety".