118428232 has 16 divisors (see below), whose sum is σ = 239134140. Its totient is φ = 54659136.

The previous prime is 118428229. The next prime is 118428241. The reversal of 118428232 is 232824811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 117375556 + 1052676 = 10834^2 + 1026^2 .

It is a super-2 number, since 2×118428232² = 28050492269291648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 118428194 and 118428203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569263 + ... + 569470.

Almost surely, 2^118428232 is an apocalyptic number.

It is an amenable number.

118428232 is an abundant number, since it is smaller than the sum of its proper divisors (120705908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118428232 is a wasteful number, since it uses less digits than its factorization.

118428232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138752 (or 1138748 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 118428232 is about 10882.4736158651. The cubic root of 118428232 is about 491.0794362402.

The spelling of 118428232 in words is "one hundred eighteen million, four hundred twenty-eight thousand, two hundred thirty-two".