117925 has 12 divisors (see below), whose sum is σ = 150660. Its totient is φ = 91520.

The previous prime is 117917. The next prime is 117937. The reversal of 117925 is 529711.

It can be written as a sum of positive squares in 6 ways, for example, as 4356 + 113569 = 66^2 + 337^2 .

It is not a de Polignac number, because 117925 - 2³ = 117917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

117925 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 117925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1281 + ... + 1369.

It is an arithmetic number, because the mean of its divisors is an integer number (12555).

2¹¹⁷⁹²⁵ is an apocalyptic number.

It is an amenable number.

117925 is a deficient number, since it is larger than the sum of its proper divisors (32735).

117925 is an equidigital number, since it uses as much as digits as its factorization.

117925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 147 counting only the distinct ones).

The product of its digits is 630, while the sum is 25.

The square root of 117925 is about 343.4020966739. The cubic root of 117925 is about 49.0382874431.

The spelling of 117925 in words is "one hundred seventeen thousand, nine hundred twenty-five".