1253279 has 2 divisors, whose sum is σ = 1253280. Its totient is φ = 1253278.

The previous prime is 1253261. The next prime is 1253323. The reversal of 1253279 is 9723521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1253279 - 2⁸ = 1253023 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626639 + 626640.

It is an arithmetic number, because the mean of its divisors is an integer number (626640).

2^1253279 is an apocalyptic number.

1253279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253279 is an equidigital number, since it uses as much as digits as its factorization.

1253279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 1253279 is about 1119.4994417149. The cubic root of 1253279 is about 107.8158441447.

The spelling of 1253279 in words is "one million, two hundred fifty-three thousand, two hundred seventy-nine".