117645271 has 8 divisors (see below), whose sum is σ = 119753744. Its totient is φ = 115542720.

The previous prime is 117645263. The next prime is 117645289. The reversal of 117645271 is 172546711.

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 117645271 - 2³ = 117645263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117645221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62080 + ... + 63946.

It is an arithmetic number, because the mean of its divisors is an integer number (14969218).

Almost surely, 2^117645271 is an apocalyptic number.

117645271 is a deficient number, since it is larger than the sum of its proper divisors (2108473).

117645271 is a wasteful number, since it uses less digits than its factorization.

117645271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961.

The product of its digits is 11760, while the sum is 34.

The square root of 117645271 is about 10846.4404760271. The cubic root of 117645271 is about 489.9948229357.

The spelling of 117645271 in words is "one hundred seventeen million, six hundred forty-five thousand, two hundred seventy-one".