118000591 has 2 divisors, whose sum is σ = 118000592. Its totient is φ = 118000590.

The previous prime is 118000577. The next prime is 118000607. The reversal of 118000591 is 195000811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118000591 - 2¹⁷ = 117869519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118000541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59000295 + 59000296.

It is an arithmetic number, because the mean of its divisors is an integer number (59000296).

Almost surely, 2^118000591 is an apocalyptic number.

118000591 is a deficient number, since it is larger than the sum of its proper divisors (1).

118000591 is an equidigital number, since it uses as much as digits as its factorization.

118000591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 118000591 is about 10862.8076941461. The cubic root of 118000591 is about 490.4876320146.

The spelling of 118000591 in words is "one hundred eighteen million, five hundred ninety-one", and thus it is an aban number.