117751320 has 80 divisors (see below), whose sum is σ = 395786160. Its totient is φ = 31399488.

The previous prime is 117751301. The next prime is 117751321. The reversal of 117751320 is 23157711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117751321) 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, 14932 + ... + 21411.

It is an arithmetic number, because the mean of its divisors is an integer number (4947327).

Almost surely, 2^117751320 is an apocalyptic number.

117751320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117751320 is an abundant number, since it is smaller than the sum of its proper divisors (278034840).

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

117751320 is a wasteful number, since it uses less digits than its factorization.

117751320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36366 (or 36353 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 117751320 is about 10851.3280293243. The cubic root of 117751320 is about 490.1420107616.

The spelling of 117751320 in words is "one hundred seventeen million, seven hundred fifty-one thousand, three hundred twenty".