1297331 has 8 divisors (see below), whose sum is σ = 1523040. Its totient is φ = 1081728.

The previous prime is 1297313. The next prime is 1297333. The reversal of 1297331 is 1337921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1297331 - 2¹⁴ = 1280947 is a prime.

It is a super-2 number, since 2×1297331² = 3366135447122, 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 1297331.

It is not an unprimeable number, because it can be changed into a prime (1297333) 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 in 7 ways as a sum of consecutive naturals, for example, 2246 + ... + 2763.

It is an arithmetic number, because the mean of its divisors is an integer number (190380).

2^1297331 is an apocalyptic number.

1297331 is a deficient number, since it is larger than the sum of its proper divisors (225709).

1297331 is an equidigital number, since it uses as much as digits as its factorization.

1297331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053.

The product of its digits is 1134, while the sum is 26.

The square root of 1297331 is about 1139.0043898072. The cubic root of 1297331 is about 109.0645466812.

The spelling of 1297331 in words is "one million, two hundred ninety-seven thousand, three hundred thirty-one".