117485 has 4 divisors (see below), whose sum is σ = 140988. Its totient is φ = 93984.

The previous prime is 117443. The next prime is 117497. The reversal of 117485 is 584711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584711 = 37 ⋅15803.

It can be written as a sum of positive squares in 2 ways, for example, as 68644 + 48841 = 262^2 + 221^2 .

It is a cyclic number.

It is not a de Polignac number, because 117485 - 2¹⁰ = 116461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11744 + ... + 11753.

It is an arithmetic number, because the mean of its divisors is an integer number (35247).

2¹¹⁷⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

117485 is a deficient number, since it is larger than the sum of its proper divisors (23503).

117485 is an equidigital number, since it uses as much as digits as its factorization.

117485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23502.

The product of its digits is 1120, while the sum is 26.

The square root of 117485 is about 342.7608495730. The cubic root of 117485 is about 48.9772211213.

The spelling of 117485 in words is "one hundred seventeen thousand, four hundred eighty-five".