1297343113 has 4 divisors (see below), whose sum is σ = 1415283408. Its totient is φ = 1179402820.

The previous prime is 1297343111. The next prime is 1297343137. The reversal of 1297343113 is 3113437921.

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.

It is a cyclic number.

It is not a de Polignac number, because 1297343113 - 2¹ = 1297343111 is a prime.

It is a super-3 number, since 3×1297343113³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1297343111) 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, 58970131 + ... + 58970152.

It is an arithmetic number, because the mean of its divisors is an integer number (353820852).

Almost surely, 2^1297343113 is an apocalyptic number.

It is an amenable number.

1297343113 is a deficient number, since it is larger than the sum of its proper divisors (117940295).

1297343113 is a wasteful number, since it uses less digits than its factorization.

1297343113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117940294.

The product of its digits is 13608, while the sum is 34.

The square root of 1297343113 is about 36018.6495166046. The cubic root of 1297343113 is about 1090.6488612038.

The spelling of 1297343113 in words is "one billion, two hundred ninety-seven million, three hundred forty-three thousand, one hundred thirteen".