117605 has 8 divisors (see below), whose sum is σ = 144672. Its totient is φ = 91728.

The previous prime is 117577. The next prime is 117617. The reversal of 117605 is 506711.

117605 is nontrivially palindromic in base 12.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117605 - 2⁶ = 117541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59 + ... + 488.

It is an arithmetic number, because the mean of its divisors is an integer number (18084).

2¹¹⁷⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

117605 is a deficient number, since it is larger than the sum of its proper divisors (27067).

117605 is an equidigital number, since it uses as much as digits as its factorization.

117605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 117605 is about 342.9358540602. The cubic root of 117605 is about 48.9938906724.

The spelling of 117605 in words is "one hundred seventeen thousand, six hundred five".