117215671 has 8 divisors (see below), whose sum is σ = 118863360. Its totient is φ = 115573752.

The previous prime is 117215653. The next prime is 117215687. The reversal of 117215671 is 176512711.

It is a happy number.

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 117215671 - 2⁵ = 117215639 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 (117215621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53626 + ... + 55768.

It is an arithmetic number, because the mean of its divisors is an integer number (14857920).

Almost surely, 2^117215671 is an apocalyptic number.

117215671 is a deficient number, since it is larger than the sum of its proper divisors (1647689).

117215671 is an equidigital number, since it uses as much as digits as its factorization.

117215671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885.

The product of its digits is 2940, while the sum is 31.

The square root of 117215671 is about 10826.6186318721. The cubic root of 117215671 is about 489.3976647106.

The spelling of 117215671 in words is "one hundred seventeen million, two hundred fifteen thousand, six hundred seventy-one".