1297065 has 32 divisors (see below), whose sum is σ = 2589696. Its totient is φ = 538560.

The previous prime is 1297063. The next prime is 1297091. The reversal of 1297065 is 5607921.

It is not a de Polignac number, because 1297065 - 2¹ = 1297063 is a prime.

It is a super-2 number, since 2×1297065² = 3364755228450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1297061) 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 31 ways as a sum of consecutive naturals, for example, 594 + ... + 1716.

It is an arithmetic number, because the mean of its divisors is an integer number (80928).

2^1297065 is an apocalyptic number.

1297065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1297065 is a deficient number, since it is larger than the sum of its proper divisors (1292631).

1297065 is a wasteful number, since it uses less digits than its factorization.

1297065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 1297065 is about 1138.8876151754. The cubic root of 1297065 is about 109.0570921066.

The spelling of 1297065 in words is "one million, two hundred ninety-seven thousand, sixty-five".