118975687 has 2 divisors, whose sum is σ = 118975688. Its totient is φ = 118975686.

The previous prime is 118975667. The next prime is 118975691. The reversal of 118975687 is 786579811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118975687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118975657) 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, 59487843 + 59487844.

It is an arithmetic number, because the mean of its divisors is an integer number (59487844).

Almost surely, 2^118975687 is an apocalyptic number.

118975687 is a deficient number, since it is larger than the sum of its proper divisors (1).

118975687 is an equidigital number, since it uses as much as digits as its factorization.

118975687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 52.

The square root of 118975687 is about 10907.5976731818. The cubic root of 118975687 is about 491.8349731301.

The spelling of 118975687 in words is "one hundred eighteen million, nine hundred seventy-five thousand, six hundred eighty-seven".