118080621 has 6 divisors (see below), whose sum is σ = 170560910. Its totient is φ = 78720408.

The previous prime is 118080617. The next prime is 118080629. The reversal of 118080621 is 126080811.

It can be written as a sum of positive squares in only one way, i.e., 84382596 + 33698025 = 9186^2 + 5805^2 .

It is not a de Polignac number, because 118080621 - 2² = 118080617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118080629) 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 5 ways as a sum of consecutive naturals, for example, 6560026 + ... + 6560043.

Almost surely, 2^118080621 is an apocalyptic number.

It is an amenable number.

118080621 is a deficient number, since it is larger than the sum of its proper divisors (52480289).

118080621 is a wasteful number, since it uses less digits than its factorization.

118080621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13120075 (or 13120072 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 118080621 is about 10866.4907398847. The cubic root of 118080621 is about 490.5984926299.

The spelling of 118080621 in words is "one hundred eighteen million, eighty thousand, six hundred twenty-one".