118579109 has 8 divisors (see below), whose sum is σ = 129448800. Its totient is φ = 107724400.

The previous prime is 118579081. The next prime is 118579127. The reversal of 118579109 is 901975811.

118579109 = 6286² + 6287² + 6288².

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118579109 is a prime.

It is a super-2 number, since 2×118579109² = 28122010182467762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118579129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18674 + ... + 24204.

It is an arithmetic number, because the mean of its divisors is an integer number (16181100).

Almost surely, 2^118579109 is an apocalyptic number.

It is an amenable number.

118579109 is a deficient number, since it is larger than the sum of its proper divisors (10869691).

118579109 is a wasteful number, since it uses less digits than its factorization.

118579109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7491.

The product of its (nonzero) digits is 22680, while the sum is 41.

The square root of 118579109 is about 10889.4035190179. The cubic root of 118579109 is about 491.2878920241.

The spelling of 118579109 in words is "one hundred eighteen million, five hundred seventy-nine thousand, one hundred nine".