118130591 has 2 divisors, whose sum is σ = 118130592. Its totient is φ = 118130590.

The previous prime is 118130561. The next prime is 118130611. The reversal of 118130591 is 195031811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118130591 - 2⁶ = 118130527 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118130521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59065295 + 59065296.

It is an arithmetic number, because the mean of its divisors is an integer number (59065296).

Almost surely, 2^118130591 is an apocalyptic number.

118130591 is a deficient number, since it is larger than the sum of its proper divisors (1).

118130591 is an equidigital number, since it uses as much as digits as its factorization.

118130591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 29.

The square root of 118130591 is about 10868.7897670348. The cubic root of 118130591 is about 490.6676875836.

The spelling of 118130591 in words is "one hundred eighteen million, one hundred thirty thousand, five hundred ninety-one".