1271469317 has 2 divisors, whose sum is σ = 1271469318. Its totient is φ = 1271469316.

The previous prime is 1271469217. The next prime is 1271469373. The reversal of 1271469317 is 7139641721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1192597156 + 78872161 = 34534^2 + 8881^2 .

It is an emirp because it is prime and its reverse (7139641721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1271469317 - 2¹⁰ = 1271468293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1271469217) 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, 635734658 + 635734659.

It is an arithmetic number, because the mean of its divisors is an integer number (635734659).

Almost surely, 2^1271469317 is an apocalyptic number.

It is an amenable number.

1271469317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1271469317 is an equidigital number, since it uses as much as digits as its factorization.

1271469317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 41.

The square root of 1271469317 is about 35657.6684178873. The cubic root of 1271469317 is about 1083.3496019542.

The spelling of 1271469317 in words is "one billion, two hundred seventy-one million, four hundred sixty-nine thousand, three hundred seventeen".