117575 has 6 divisors (see below), whose sum is σ = 145824. Its totient is φ = 94040.

The previous prime is 117571. The next prime is 117577. The reversal of 117575 is 575711.

It is not a de Polignac number, because 117575 - 2² = 117571 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2327 + ... + 2376.

It is an arithmetic number, because the mean of its divisors is an integer number (24304).

117575 is a Friedman number, since it can be written as 7^(5+1)-75+1, using all its digits and the basic arithmetic operations.

2¹¹⁷⁵⁷⁵ is an apocalyptic number.

117575 is a deficient number, since it is larger than the sum of its proper divisors (28249).

117575 is an equidigital number, since it uses as much as digits as its factorization.

117575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713 (or 4708 counting only the distinct ones).

The product of its digits is 1225, while the sum is 26.

The square root of 117575 is about 342.8921113120. The cubic root of 117575 is about 48.9897243481.

It can be divided in two parts, 11757 and 5, that multiplied together give a palindrome (58785).

The spelling of 117575 in words is "one hundred seventeen thousand, five hundred seventy-five".