117530 has 32 divisors (see below), whose sum is σ = 255744. Its totient is φ = 38016.

The previous prime is 117529. The next prime is 117539. The reversal of 117530 is 35711.

117530 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It is a nialpdrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 117499 and 117508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1574 + ... + 1646.

It is an arithmetic number, because the mean of its divisors is an integer number (7992).

2¹¹⁷⁵³⁰ is an apocalyptic number.

117530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117530 is an abundant number, since it is smaller than the sum of its proper divisors (138214).

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

117530 is a wasteful number, since it uses less digits than its factorization.

117530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 117530 is about 342.8264867247. The cubic root of 117530 is about 48.9834735326.

The spelling of 117530 in words is "one hundred seventeen thousand, five hundred thirty".