1197710117 has 2 divisors, whose sum is σ = 1197710118. Its totient is φ = 1197710116.

The previous prime is 1197710099. The next prime is 1197710167. The reversal of 1197710117 is 7110177911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 681784321 + 515925796 = 26111^2 + 22714^2 .

It is a cyclic number.

It is not a de Polignac number, because 1197710117 - 2⁸ = 1197709861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1197710167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598855058 + 598855059.

It is an arithmetic number, because the mean of its divisors is an integer number (598855059).

Almost surely, 2^1197710117 is an apocalyptic number.

It is an amenable number.

1197710117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197710117 is an equidigital number, since it uses as much as digits as its factorization.

1197710117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3087, while the sum is 35.

The square root of 1197710117 is about 34607.9487545853. The cubic root of 1197710117 is about 1061.9822043921.

The spelling of 1197710117 in words is "one billion, one hundred ninety-seven million, seven hundred ten thousand, one hundred seventeen".