118428850 has 12 divisors (see below), whose sum is σ = 220277754. Its totient is φ = 47371520.

The previous prime is 118428841. The next prime is 118428883. The reversal of 118428850 is 58824811.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 65561409 + 52867441 = 8097^2 + 7271^2 .

It is a super-3 number, since 3×118428850³ (a number of 25 digits) contains 333 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 5 ways as a sum of consecutive naturals, for example, 1184239 + ... + 1184338.

Almost surely, 2^118428850 is an apocalyptic number.

118428850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118428850 is a deficient number, since it is larger than the sum of its proper divisors (101848904).

118428850 is a wasteful number, since it uses less digits than its factorization.

118428850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368589 (or 2368584 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 37.

The square root of 118428850 is about 10882.5020101078. The cubic root of 118428850 is about 491.0802904469.

The spelling of 118428850 in words is "one hundred eighteen million, four hundred twenty-eight thousand, eight hundred fifty".