118490657 has 2 divisors, whose sum is σ = 118490658. Its totient is φ = 118490656.

The previous prime is 118490627. The next prime is 118490681. The reversal of 118490657 is 756094811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85359121 + 33131536 = 9239^2 + 5756^2 .

It is a cyclic number.

It is not a de Polignac number, because 118490657 - 2¹⁴ = 118474273 is a prime.

It is not a weakly prime, because it can be changed into another prime (118490627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59245328 + 59245329.

It is an arithmetic number, because the mean of its divisors is an integer number (59245329).

Almost surely, 2^118490657 is an apocalyptic number.

It is an amenable number.

118490657 is a deficient number, since it is larger than the sum of its proper divisors (1).

118490657 is an equidigital number, since it uses as much as digits as its factorization.

118490657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 118490657 is about 10885.3413818768. The cubic root of 118490657 is about 491.1657057852.

The spelling of 118490657 in words is "one hundred eighteen million, four hundred ninety thousand, six hundred fifty-seven".