118628015 has 8 divisors (see below), whose sum is σ = 155294928. Its totient is φ = 86274880.

The previous prime is 118627973. The next prime is 118628017. The reversal of 118628015 is 510826811.

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

It is not a de Polignac number, because 118628015 - 2⁸ = 118627759 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 (118628017) 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, 1078382 + ... + 1078491.

It is an arithmetic number, because the mean of its divisors is an integer number (19411866).

Almost surely, 2^118628015 is an apocalyptic number.

118628015 is a deficient number, since it is larger than the sum of its proper divisors (36666913).

118628015 is a wasteful number, since it uses less digits than its factorization.

118628015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156889.

The product of its (nonzero) digits is 3840, while the sum is 32.

The square root of 118628015 is about 10891.6488650709. The cubic root of 118628015 is about 491.3554239400.

The spelling of 118628015 in words is "one hundred eighteen million, six hundred twenty-eight thousand, fifteen".