1297346131 has 4 divisors (see below), whose sum is σ = 1297980112. Its totient is φ = 1296712152.

The previous prime is 1297346093. The next prime is 1297346161. The reversal of 1297346131 is 1316437921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1297346131 - 2²⁵ = 1263791699 is a prime.

It is a super-2 number, since 2×1297346131² = 3366213967241338322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1297346161) 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, 313911 + ... + 318016.

It is an arithmetic number, because the mean of its divisors is an integer number (324495028).

Almost surely, 2^1297346131 is an apocalyptic number.

1297346131 is a deficient number, since it is larger than the sum of its proper divisors (633981).

1297346131 is an equidigital number, since it uses as much as digits as its factorization.

1297346131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633980.

The product of its digits is 27216, while the sum is 37.

The square root of 1297346131 is about 36018.6914115435. The cubic root of 1297346131 is about 1090.6497069260.

The spelling of 1297346131 in words is "one billion, two hundred ninety-seven million, three hundred forty-six thousand, one hundred thirty-one".