117292271 has 2 divisors, whose sum is σ = 117292272. Its totient is φ = 117292270.

The previous prime is 117292243. The next prime is 117292309. The reversal of 117292271 is 172292711.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117292271 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117292471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58646135 + 58646136.

It is an arithmetic number, because the mean of its divisors is an integer number (58646136).

Almost surely, 2^117292271 is an apocalyptic number.

117292271 is a deficient number, since it is larger than the sum of its proper divisors (1).

117292271 is an equidigital number, since it uses as much as digits as its factorization.

117292271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 32.

The square root of 117292271 is about 10830.1556313841. The cubic root of 117292271 is about 489.5042480076.

The spelling of 117292271 in words is "one hundred seventeen million, two hundred ninety-two thousand, two hundred seventy-one".