117451392 has 128 divisors (see below), whose sum is σ = 330480000. Its totient is φ = 36900864.

The previous prime is 117451381. The next prime is 117451393. The reversal of 117451392 is 293154711.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (117451393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 590109 + ... + 590307.

It is an arithmetic number, because the mean of its divisors is an integer number (2581875).

Almost surely, 2^117451392 is an apocalyptic number.

117451392 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 117451392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165240000).

117451392 is an abundant number, since it is smaller than the sum of its proper divisors (213028608).

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

117451392 is a wasteful number, since it uses less digits than its factorization.

117451392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 286 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 117451392 is about 10837.4993425605. The cubic root of 117451392 is about 489.7255050116.

The spelling of 117451392 in words is "one hundred seventeen million, four hundred fifty-one thousand, three hundred ninety-two".