117439028 has 24 divisors (see below), whose sum is σ = 238862400. Its totient is φ = 49477248.

The previous prime is 117438991. The next prime is 117439039. The reversal of 117439028 is 820934711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33893 + ... + 37196.

It is an arithmetic number, because the mean of its divisors is an integer number (9952600).

Almost surely, 2^117439028 is an apocalyptic number.

It is an amenable number.

117439028 is an abundant number, since it is smaller than the sum of its proper divisors (121423372).

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

117439028 is a wasteful number, since it uses less digits than its factorization.

117439028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71159 (or 71157 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 117439028 is about 10836.9289007541. The cubic root of 117439028 is about 489.7083200908.

The spelling of 117439028 in words is "one hundred seventeen million, four hundred thirty-nine thousand, twenty-eight".