117451188 has 48 divisors (see below), whose sum is σ = 314334720. Its totient is φ = 37886400.

The previous prime is 117451177. The next prime is 117451199. The reversal of 117451188 is 881154711.

It is an interprime number because it is at equal distance from previous prime (117451177) and next prime (117451199).

It is a super-2 number, since 2×117451188² = 27589563125222688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14193 + ... + 20888.

It is an arithmetic number, because the mean of its divisors is an integer number (6548640).

Almost surely, 2^117451188 is an apocalyptic number.

117451188 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

117451188 is an abundant number, since it is smaller than the sum of its proper divisors (196883532).

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

117451188 is a wasteful number, since it uses less digits than its factorization.

117451188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35125 (or 35117 counting only the distinct ones).

The product of its digits is 8960, while the sum is 36.

The square root of 117451188 is about 10837.4899307912. The cubic root of 117451188 is about 489.7252214785.

The spelling of 117451188 in words is "one hundred seventeen million, four hundred fifty-one thousand, one hundred eighty-eight".