1265068117 has 2 divisors, whose sum is σ = 1265068118. Its totient is φ = 1265068116.

The previous prime is 1265068111. The next prime is 1265068139. The reversal of 1265068117 is 7118605621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 663886756 + 601181361 = 25766^2 + 24519^2 .

It is a cyclic number.

It is not a de Polignac number, because 1265068117 - 2¹⁵ = 1265035349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1265068111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632534058 + 632534059.

It is an arithmetic number, because the mean of its divisors is an integer number (632534059).

Almost surely, 2^1265068117 is an apocalyptic number.

It is an amenable number.

1265068117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1265068117 is an equidigital number, since it uses as much as digits as its factorization.

1265068117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1265068117 is about 35567.7960661045. The cubic root of 1265068117 is about 1081.5285047241.

The spelling of 1265068117 in words is "one billion, two hundred sixty-five million, sixty-eight thousand, one hundred seventeen".