1260730717 has 32 divisors (see below), whose sum is σ = 1408492800. Its totient is φ = 1124293632.

The previous prime is 1260730699. The next prime is 1260730721. The reversal of 1260730717 is 7170370621.

It is a cyclic number.

It is not a de Polignac number, because 1260730717 - 2⁷ = 1260730589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260730777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3240759 + ... + 3241147.

It is an arithmetic number, because the mean of its divisors is an integer number (44015400).

Almost surely, 2^1260730717 is an apocalyptic number.

It is an amenable number.

1260730717 is a deficient number, since it is larger than the sum of its proper divisors (147762083).

1260730717 is a wasteful number, since it uses less digits than its factorization.

1260730717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 1260730717 is about 35506.7700164349. The cubic root of 1260730717 is about 1080.2910501013.

The spelling of 1260730717 in words is "one billion, two hundred sixty million, seven hundred thirty thousand, seven hundred seventeen".