117261017 has 2 divisors, whose sum is σ = 117261018. Its totient is φ = 117261016.

The previous prime is 117260993. The next prime is 117261037. The reversal of 117261017 is 710162711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99121936 + 18139081 = 9956^2 + 4259^2 .

It is an emirp because it is prime and its reverse (710162711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117261017 - 2¹⁸ = 116998873 is a prime.

It is a super-2 number, since 2×117261017² = 27500292215748578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117261037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58630508 + 58630509.

It is an arithmetic number, because the mean of its divisors is an integer number (58630509).

Almost surely, 2^117261017 is an apocalyptic number.

It is an amenable number.

117261017 is a deficient number, since it is larger than the sum of its proper divisors (1).

117261017 is an equidigital number, since it uses as much as digits as its factorization.

117261017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 26.

The square root of 117261017 is about 10828.7126196977. The cubic root of 117261017 is about 489.4607659586.

The spelling of 117261017 in words is "one hundred seventeen million, two hundred sixty-one thousand, seventeen".