118628258 has 32 divisors (see below), whose sum is σ = 211381248. Its totient is φ = 48859200.

The previous prime is 118628239. The next prime is 118628281. The reversal of 118628258 is 852826811.

It is a happy number.

It is a super-2 number, since 2×118628258² = 28145327192229128, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 67268 + ... + 69008.

It is an arithmetic number, because the mean of its divisors is an integer number (6605664).

Almost surely, 2^118628258 is an apocalyptic number.

118628258 is a deficient number, since it is larger than the sum of its proper divisors (92752990).

118628258 is a wasteful number, since it uses less digits than its factorization.

118628258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938.

The product of its digits is 61440, while the sum is 41.

The square root of 118628258 is about 10891.6600204009. The cubic root of 118628258 is about 491.3557594405.

The spelling of 118628258 in words is "one hundred eighteen million, six hundred twenty-eight thousand, two hundred fifty-eight".