117462971 has 4 divisors (see below), whose sum is σ = 120194712. Its totient is φ = 114731232.

The previous prime is 117462931. The next prime is 117462973. The reversal of 117462971 is 179264711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117462971 - 2⁶ = 117462907 is a prime.

It is a super-2 number, since 2×117462971² = 27595099112293682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117462973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365806 + ... + 1365891.

It is an arithmetic number, because the mean of its divisors is an integer number (30048678).

Almost surely, 2^117462971 is an apocalyptic number.

117462971 is a deficient number, since it is larger than the sum of its proper divisors (2731741).

117462971 is an equidigital number, since it uses as much as digits as its factorization.

117462971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731740.

The product of its digits is 21168, while the sum is 38.

The square root of 117462971 is about 10838.0335393465. The cubic root of 117462971 is about 489.7415977549.

The spelling of 117462971 in words is "one hundred seventeen million, four hundred sixty-two thousand, nine hundred seventy-one".