118870641 has 12 divisors (see below), whose sum is σ = 171807220. Its totient is φ = 79198560.

The previous prime is 118870607. The next prime is 118870643. The reversal of 118870641 is 146078811.

118870641 is a `hidden beast` number, since 1 + 1 + 8 + 8 + 7 + 0 + 641 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49914225 + 68956416 = 7065^2 + 8304^2 .

It is not a de Polignac number, because 118870641 - 2²³ = 110482033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118870596 and 118870605.

It is not an unprimeable number, because it can be changed into a prime (118870643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17511 + ... + 23331.

Almost surely, 2^118870641 is an apocalyptic number.

It is an amenable number.

118870641 is a deficient number, since it is larger than the sum of its proper divisors (52936579).

118870641 is a wasteful number, since it uses less digits than its factorization.

118870641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8096 (or 8093 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 118870641 is about 10902.7813423915. The cubic root of 118870641 is about 491.6901802154.

The spelling of 118870641 in words is "one hundred eighteen million, eight hundred seventy thousand, six hundred forty-one".