118591230 has 64 divisors (see below), whose sum is σ = 291610368. Its totient is φ = 30858240.

The previous prime is 118591223. The next prime is 118591261. The reversal of 118591230 is 32195811.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241285 + ... + 241775.

It is an arithmetic number, because the mean of its divisors is an integer number (4556412).

Almost surely, 2^118591230 is an apocalyptic number.

118591230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118591230 is an abundant number, since it is smaller than the sum of its proper divisors (173019138).

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

118591230 is a wasteful number, since it uses less digits than its factorization.

118591230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 118591230 is about 10889.9600550232. The cubic root of 118591230 is about 491.3046310538.

The spelling of 118591230 in words is "one hundred eighteen million, five hundred ninety-one thousand, two hundred thirty".