117128592 has 100 divisors (see below), whose sum is σ = 387463296. Its totient is φ = 33462720.

The previous prime is 117128591. The next prime is 117128611. The reversal of 117128592 is 295821711.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (117128591) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2617 + ... + 15527.

Almost surely, 2^117128592 is an apocalyptic number.

117128592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117128592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193731648).

117128592 is an abundant number, since it is smaller than the sum of its proper divisors (270334704).

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

117128592 is a wasteful number, since it uses less digits than its factorization.

117128592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12938 (or 12923 counting only the distinct ones).

The product of its digits is 10080, while the sum is 36.

The square root of 117128592 is about 10822.5963613174. The cubic root of 117128592 is about 489.2764442390.

The spelling of 117128592 in words is "one hundred seventeen million, one hundred twenty-eight thousand, five hundred ninety-two".