1297055 has 4 divisors (see below), whose sum is σ = 1556472. Its totient is φ = 1037640.

The previous prime is 1297027. The next prime is 1297057. The reversal of 1297055 is 5507921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5507921 = 541 ⋅10181.

It is a de Polignac number, because none of the positive numbers 2^k-1297055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129701 + ... + 129710.

It is an arithmetic number, because the mean of its divisors is an integer number (389118).

2^1297055 is an apocalyptic number.

1297055 is a deficient number, since it is larger than the sum of its proper divisors (259417).

1297055 is an equidigital number, since it uses as much as digits as its factorization.

1297055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259416.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 1297055 is about 1138.8832249182. The cubic root of 1297055 is about 109.0568118395.

The spelling of 1297055 in words is "one million, two hundred ninety-seven thousand, fifty-five".