118624989 has 8 divisors (see below), whose sum is σ = 180761920. Its totient is φ = 67785696.

The previous prime is 118624969. The next prime is 118624991. The reversal of 118624989 is 989426811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118624989 - 2¹¹ = 118622941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118624949) 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 7 ways as a sum of consecutive naturals, for example, 2824384 + ... + 2824425.

It is an arithmetic number, because the mean of its divisors is an integer number (22595240).

Almost surely, 2^118624989 is an apocalyptic number.

It is an amenable number.

118624989 is a deficient number, since it is larger than the sum of its proper divisors (62136931).

118624989 is an equidigital number, since it uses as much as digits as its factorization.

118624989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5648819.

The product of its digits is 248832, while the sum is 48.

The square root of 118624989 is about 10891.5099504155. The cubic root of 118624989 is about 491.3512460226.

The spelling of 118624989 in words is "one hundred eighteen million, six hundred twenty-four thousand, nine hundred eighty-nine".