118975657 has 2 divisors, whose sum is σ = 118975658. Its totient is φ = 118975656.

The previous prime is 118975631. The next prime is 118975667. The reversal of 118975657 is 756579811.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99580441 + 19395216 = 9979^2 + 4404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118975657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118975657.

It is not a weakly prime, because it can be changed into another prime (118975667) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59487828 + 59487829.

It is an arithmetic number, because the mean of its divisors is an integer number (59487829).

Almost surely, 2^118975657 is an apocalyptic number.

It is an amenable number.

118975657 is a deficient number, since it is larger than the sum of its proper divisors (1).

118975657 is an equidigital number, since it uses as much as digits as its factorization.

118975657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 49.

The square root of 118975657 is about 10907.5962979934. The cubic root of 118975657 is about 491.8349317910.

The spelling of 118975657 in words is "one hundred eighteen million, nine hundred seventy-five thousand, six hundred fifty-seven".