1297023 has 16 divisors (see below), whose sum is σ = 2128896. Its totient is φ = 684000.

The previous prime is 1297019. The next prime is 1297027. The reversal of 1297023 is 3207921.

It is an interprime number because it is at equal distance from previous prime (1297019) and next prime (1297027).

It is not a de Polignac number, because 1297023 - 2² = 1297019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1296984 and 1297002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2103 + ... + 2648.

It is an arithmetic number, because the mean of its divisors is an integer number (133056).

2^1297023 is an apocalyptic number.

1297023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1297023 is a deficient number, since it is larger than the sum of its proper divisors (831873).

1297023 is a wasteful number, since it uses less digits than its factorization.

1297023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1297023 is about 1138.8691759812. The cubic root of 1297023 is about 109.0559149753.

The spelling of 1297023 in words is "one million, two hundred ninety-seven thousand, twenty-three".