117257207 has 2 divisors, whose sum is σ = 117257208. Its totient is φ = 117257206.

The previous prime is 117257201. The next prime is 117257209. The reversal of 117257207 is 702752711.

It is a strong prime.

It is an emirp because it is prime and its reverse (702752711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117257207 is a prime.

It is a super-3 number, since 3×117257207³ (a number of 25 digits) contains 333 as substring.

Together with 117257209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117257201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58628603 + 58628604.

It is an arithmetic number, because the mean of its divisors is an integer number (58628604).

Almost surely, 2^117257207 is an apocalyptic number.

117257207 is a deficient number, since it is larger than the sum of its proper divisors (1).

117257207 is an equidigital number, since it uses as much as digits as its factorization.

117257207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6860, while the sum is 32.

The square root of 117257207 is about 10828.5366970796. The cubic root of 117257207 is about 489.4554647773.

The spelling of 117257207 in words is "one hundred seventeen million, two hundred fifty-seven thousand, two hundred seven".