1317897041 has 4 divisors (see below), whose sum is σ = 1321042800. Its totient is φ = 1314751284.

The previous prime is 1317897037. The next prime is 1317897047. The reversal of 1317897041 is 1407987131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1407987131 = 47 ⋅29957173.

It is a cyclic number.

It is not a de Polignac number, because 1317897041 - 2² = 1317897037 is a prime.

It is a super-2 number, since 2×1317897041² = 3473705221353111362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1317897041.

It is not an unprimeable number, because it can be changed into a prime (1317897047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1572251 + ... + 1573088.

It is an arithmetic number, because the mean of its divisors is an integer number (330260700).

Almost surely, 2^1317897041 is an apocalyptic number.

It is an amenable number.

1317897041 is a deficient number, since it is larger than the sum of its proper divisors (3145759).

1317897041 is an equidigital number, since it uses as much as digits as its factorization.

1317897041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145758.

The product of its (nonzero) digits is 42336, while the sum is 41.

The square root of 1317897041 is about 36302.8516923946. The cubic root of 1317897041 is about 1096.3784592726.

The spelling of 1317897041 in words is "one billion, three hundred seventeen million, eight hundred ninety-seven thousand, forty-one".