118115497 has 2 divisors, whose sum is σ = 118115498. Its totient is φ = 118115496.

The previous prime is 118115489. The next prime is 118115527. The reversal of 118115497 is 794511811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79227801 + 38887696 = 8901^2 + 6236^2 .

It is a cyclic number.

It is not a de Polignac number, because 118115497 - 2³ = 118115489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118115407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59057748 + 59057749.

It is an arithmetic number, because the mean of its divisors is an integer number (59057749).

Almost surely, 2^118115497 is an apocalyptic number.

It is an amenable number.

118115497 is a deficient number, since it is larger than the sum of its proper divisors (1).

118115497 is an equidigital number, since it uses as much as digits as its factorization.

118115497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 37.

The square root of 118115497 is about 10868.0953713151. The cubic root of 118115497 is about 490.6467885275.

The spelling of 118115497 in words is "one hundred eighteen million, one hundred fifteen thousand, four hundred ninety-seven".