1297275 has 36 divisors (see below), whose sum is σ = 2502072. Its totient is φ = 591360.

The previous prime is 1297273. The next prime is 1297279. The reversal of 1297275 is 5727921.

It is not a de Polignac number, because 1297275 - 2¹ = 1297273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1297271) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3499 + ... + 3851.

It is an arithmetic number, because the mean of its divisors is an integer number (69502).

2^1297275 is an apocalyptic number.

1297275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1297275 is a deficient number, since it is larger than the sum of its proper divisors (1204797).

1297275 is a wasteful number, since it uses less digits than its factorization.

1297275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 368 counting only the distinct ones).

The product of its digits is 8820, while the sum is 33.

The square root of 1297275 is about 1138.9798066691. The cubic root of 1297275 is about 109.0629773818.

The spelling of 1297275 in words is "one million, two hundred ninety-seven thousand, two hundred seventy-five".