1297371 has 4 divisors (see below), whose sum is σ = 1729832. Its totient is φ = 864912.

The previous prime is 1297369. The next prime is 1297393. The reversal of 1297371 is 1737921.

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

It is not a de Polignac number, because 1297371 - 2¹ = 1297369 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1297171) 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, 216226 + ... + 216231.

It is an arithmetic number, because the mean of its divisors is an integer number (432458).

2^1297371 is an apocalyptic number.

1297371 is a deficient number, since it is larger than the sum of its proper divisors (432461).

1297371 is an equidigital number, since it uses as much as digits as its factorization.

1297371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432460.

The product of its digits is 2646, while the sum is 30.

The square root of 1297371 is about 1139.0219488667. The cubic root of 1297371 is about 109.0656675818.

The spelling of 1297371 in words is "one million, two hundred ninety-seven thousand, three hundred seventy-one".