1297009 has 16 divisors (see below), whose sum is σ = 1576960. Its totient is φ = 1043280.

The previous prime is 1297003. The next prime is 1297013. The reversal of 1297009 is 9007921.

It is not a de Polignac number, because 1297009 - 2³ = 1297001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1297001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9262 + ... + 9400.

It is an arithmetic number, because the mean of its divisors is an integer number (98560).

2^1297009 is an apocalyptic number.

It is an amenable number.

1297009 is a deficient number, since it is larger than the sum of its proper divisors (279951).

1297009 is a wasteful number, since it uses less digits than its factorization.

1297009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1297009 is about 1138.8630295167. The cubic root of 1297009 is about 109.0555225926.

The spelling of 1297009 in words is "one million, two hundred ninety-seven thousand, nine".