118912689 has 24 divisors (see below), whose sum is σ = 198674112. Its totient is φ = 67128480.

The previous prime is 118912681. The next prime is 118912741. The reversal of 118912689 is 986219811.

It is not a de Polignac number, because 118912689 - 2³ = 118912681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118912681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6142 + ... + 16599.

It is an arithmetic number, because the mean of its divisors is an integer number (8278088).

Almost surely, 2^118912689 is an apocalyptic number.

It is an amenable number.

118912689 is a deficient number, since it is larger than the sum of its proper divisors (79761423).

118912689 is a wasteful number, since it uses less digits than its factorization.

118912689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22837 (or 22834 counting only the distinct ones).

The product of its digits is 62208, while the sum is 45.

The square root of 118912689 is about 10904.7094871895. The cubic root of 118912689 is about 491.7481484159.

The spelling of 118912689 in words is "one hundred eighteen million, nine hundred twelve thousand, six hundred eighty-nine".