1297003 has 2 divisors, whose sum is σ = 1297004. Its totient is φ = 1297002.

The previous prime is 1297001. The next prime is 1297013. The reversal of 1297003 is 3007921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1297003 - 2¹ = 1297001 is a prime.

Together with 1297001, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1297001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648501 + 648502.

It is an arithmetic number, because the mean of its divisors is an integer number (648502).

2^1297003 is an apocalyptic number.

1297003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1297003 is an equidigital number, since it uses as much as digits as its factorization.

1297003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 1297003 is about 1138.8603953075. The cubic root of 1297003 is about 109.0553544277.

The spelling of 1297003 in words is "one million, two hundred ninety-seven thousand, three".