1260171313 has 2 divisors, whose sum is σ = 1260171314. Its totient is φ = 1260171312.

The previous prime is 1260171299. The next prime is 1260171323. The reversal of 1260171313 is 3131710621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1161923569 + 98247744 = 34087^2 + 9912^2 .

It is a cyclic number.

It is not a de Polignac number, because 1260171313 - 2¹⁷ = 1260040241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1260171323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630085656 + 630085657.

It is an arithmetic number, because the mean of its divisors is an integer number (630085657).

Almost surely, 2^1260171313 is an apocalyptic number.

It is an amenable number.

1260171313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260171313 is an equidigital number, since it uses as much as digits as its factorization.

1260171313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1260171313 is about 35498.8917150944. The cubic root of 1260171313 is about 1080.1312463382.

Adding to 1260171313 its reverse (3131710621), we get a palindrome (4391881934).

The spelling of 1260171313 in words is "one billion, two hundred sixty million, one hundred seventy-one thousand, three hundred thirteen".