117214209 has 24 divisors (see below), whose sum is σ = 200665920. Its totient is φ = 66978576.

The previous prime is 117214199. The next prime is 117214219. The reversal of 117214209 is 902412711.

It is an interprime number because it is at equal distance from previous prime (117214199) and next prime (117214219).

It is not a de Polignac number, because 117214209 - 2¹² = 117210113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (117214219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32754 + ... + 36155.

It is an arithmetic number, because the mean of its divisors is an integer number (8361080).

Almost surely, 2^117214209 is an apocalyptic number.

It is an amenable number.

117214209 is a deficient number, since it is larger than the sum of its proper divisors (83451711).

117214209 is an frugal number, since it uses more digits than its factorization.

117214209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68931 (or 68919 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 117214209 is about 10826.5511128891. The cubic root of 117214209 is about 489.3956299930.

The spelling of 117214209 in words is "one hundred seventeen million, two hundred fourteen thousand, two hundred nine".