1317047041 has 2 divisors, whose sum is σ = 1317047042. Its totient is φ = 1317047040.

The previous prime is 1317046937. The next prime is 1317047087. The reversal of 1317047041 is 1407407131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1080502641 + 236544400 = 32871^2 + 15380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1317047041 - 2¹⁷ = 1316915969 is a prime.

It is a super-2 number, since 2×1317047041² = 3469225816413711362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1317087041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658523520 + 658523521.

It is an arithmetic number, because the mean of its divisors is an integer number (658523521).

Almost surely, 2^1317047041 is an apocalyptic number.

It is an amenable number.

1317047041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317047041 is an equidigital number, since it uses as much as digits as its factorization.

1317047041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 1317047041 is about 36291.1427348327. The cubic root of 1317047041 is about 1096.1426992989.

The spelling of 1317047041 in words is "one billion, three hundred seventeen million, forty-seven thousand, forty-one".