117251838 has 48 divisors (see below), whose sum is σ = 289201536. Its totient is φ = 33984720.

The previous prime is 117251819. The next prime is 117251867. The reversal of 117251838 is 838152711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8320 + ... + 17427.

It is an arithmetic number, because the mean of its divisors is an integer number (6025032).

Almost surely, 2^117251838 is an apocalyptic number.

117251838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

117251838 is an abundant number, since it is smaller than the sum of its proper divisors (171949698).

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

117251838 is a wasteful number, since it uses less digits than its factorization.

117251838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25789 (or 25786 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 117251838 is about 10828.2887844756. The cubic root of 117251838 is about 489.4479942301.

The spelling of 117251838 in words is "one hundred seventeen million, two hundred fifty-one thousand, eight hundred thirty-eight".