117209227 has 2 divisors, whose sum is σ = 117209228. Its totient is φ = 117209226.

The previous prime is 117209221. The next prime is 117209231. The reversal of 117209227 is 722902711.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (722902711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117209227 - 2¹⁵ = 117176459 is a prime.

It is not a weakly prime, because it can be changed into another prime (117209221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58604613 + 58604614.

It is an arithmetic number, because the mean of its divisors is an integer number (58604614).

Almost surely, 2^117209227 is an apocalyptic number.

117209227 is a deficient number, since it is larger than the sum of its proper divisors (1).

117209227 is an equidigital number, since it uses as much as digits as its factorization.

117209227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 117209227 is about 10826.3210279393. The cubic root of 117209227 is about 489.3886962388.

The spelling of 117209227 in words is "one hundred seventeen million, two hundred nine thousand, two hundred twenty-seven".