118729989 has 48 divisors (see below), whose sum is σ = 216691200. Its totient is φ = 63842688.

The previous prime is 118729951. The next prime is 118729997. The reversal of 118729989 is 989927811.

It is not a de Polignac number, because 118729989 - 2⁹ = 118729477 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118729789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19852 + ... + 25130.

It is an arithmetic number, because the mean of its divisors is an integer number (4514400).

Almost surely, 2^118729989 is an apocalyptic number.

It is an amenable number.

118729989 is a deficient number, since it is larger than the sum of its proper divisors (97961211).

118729989 is a wasteful number, since it uses less digits than its factorization.

118729989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5319 (or 5306 counting only the distinct ones).

The product of its digits is 653184, while the sum is 54.

The square root of 118729989 is about 10896.3291525174. The cubic root of 118729989 is about 491.4961752001.

The spelling of 118729989 in words is "one hundred eighteen million, seven hundred twenty-nine thousand, nine hundred eighty-nine".