1260801317 has 2 divisors, whose sum is σ = 1260801318. Its totient is φ = 1260801316.

The previous prime is 1260801271. The next prime is 1260801329. The reversal of 1260801317 is 7131080621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 987593476 + 273207841 = 31426^2 + 16529^2 .

It is a cyclic number.

It is not a de Polignac number, because 1260801317 - 2¹² = 1260797221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1260801317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1260806317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630400658 + 630400659.

It is an arithmetic number, because the mean of its divisors is an integer number (630400659).

Almost surely, 2^1260801317 is an apocalyptic number.

It is an amenable number.

1260801317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260801317 is an equidigital number, since it uses as much as digits as its factorization.

1260801317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1260801317 is about 35507.7641791200. The cubic root of 1260801317 is about 1080.3112148950.

Adding to 1260801317 its reverse (7131080621), we get a palindrome (8391881938).

The spelling of 1260801317 in words is "one billion, two hundred sixty million, eight hundred one thousand, three hundred seventeen".