117214509 has 32 divisors (see below), whose sum is σ = 167537664. Its totient is φ = 72737280.

The previous prime is 117214453. The next prime is 117214511. The reversal of 117214509 is 905412711.

It is not a de Polignac number, because 117214509 - 2¹⁵ = 117181741 is a prime.

It is a super-2 number, since 2×117214509² = 27478482240222162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117214529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555414 + ... + 555624.

It is an arithmetic number, because the mean of its divisors is an integer number (5235552).

Almost surely, 2^117214509 is an apocalyptic number.

It is an amenable number.

117214509 is a deficient number, since it is larger than the sum of its proper divisors (50323155).

117214509 is a wasteful number, since it uses less digits than its factorization.

117214509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 117214509 is about 10826.5649677079. The cubic root of 117214509 is about 489.3960475151.

The spelling of 117214509 in words is "one hundred seventeen million, two hundred fourteen thousand, five hundred nine".