117825 has 12 divisors (see below), whose sum is σ = 194928. Its totient is φ = 62800.

The previous prime is 117811. The next prime is 117833. The reversal of 117825 is 528711.

It is not a de Polignac number, because 117825 - 2⁴ = 117809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117795 and 117804.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 711 + ... + 860.

It is an arithmetic number, because the mean of its divisors is an integer number (16244).

2¹¹⁷⁸²⁵ is an apocalyptic number.

117825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117825 is a deficient number, since it is larger than the sum of its proper divisors (77103).

117825 is a wasteful number, since it uses less digits than its factorization.

117825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584 (or 1579 counting only the distinct ones).

The product of its digits is 560, while the sum is 24.

The square root of 117825 is about 343.2564638867. The cubic root of 117825 is about 49.0244220893.

The spelling of 117825 in words is "one hundred seventeen thousand, eight hundred twenty-five".