1310279 has 2 divisors, whose sum is σ = 1310280. Its totient is φ = 1310278.

The previous prime is 1310269. The next prime is 1310293. The reversal of 1310279 is 9720131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655139 + 655140.

It is an arithmetic number, because the mean of its divisors is an integer number (655140).

2^1310279 is an apocalyptic number.

1310279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310279 is an equidigital number, since it uses as much as digits as its factorization.

1310279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1310279 is about 1144.6741894531. The cubic root of 1310279 is about 109.4261854574.

The spelling of 1310279 in words is "one million, three hundred ten thousand, two hundred seventy-nine".