118535969 has 2 divisors, whose sum is σ = 118535970. Its totient is φ = 118535968.

The previous prime is 118535959. The next prime is 118535999. The reversal of 118535969 is 969535811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111028369 + 7507600 = 10537^2 + 2740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118535969 is a prime.

It is a super-2 number, since 2×118535969² = 28101551893537922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (118535959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59267984 + 59267985.

It is an arithmetic number, because the mean of its divisors is an integer number (59267985).

Almost surely, 2^118535969 is an apocalyptic number.

It is an amenable number.

118535969 is a deficient number, since it is larger than the sum of its proper divisors (1).

118535969 is an equidigital number, since it uses as much as digits as its factorization.

118535969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 47.

The square root of 118535969 is about 10887.4225140756. The cubic root of 118535969 is about 491.2283066819.

The spelling of 118535969 in words is "one hundred eighteen million, five hundred thirty-five thousand, nine hundred sixty-nine".