1279325 has 12 divisors (see below), whose sum is σ = 1610388. Its totient is φ = 1008000.

The previous prime is 1279321. The next prime is 1279337. The reversal of 1279325 is 5239721.

It can be written as a sum of positive squares in 6 ways, for example, as 11449 + 1267876 = 107^2 + 1126^2 .

It is not a de Polignac number, because 1279325 - 2² = 1279321 is a prime.

It is a d-powerful number, because it can be written as 1 + 2¹⁴ + 7⁷ + 9² + 3¹¹ + 2¹⁸ + 5² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279321) 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 11 ways as a sum of consecutive naturals, for example, 1475 + ... + 2175.

It is an arithmetic number, because the mean of its divisors is an integer number (134199).

2^1279325 is an apocalyptic number.

It is an amenable number.

1279325 is a deficient number, since it is larger than the sum of its proper divisors (331063).

1279325 is an equidigital number, since it uses as much as digits as its factorization.

1279325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 779 counting only the distinct ones).

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

The square root of 1279325 is about 1131.0724998867. The cubic root of 1279325 is about 108.5576155590.

The spelling of 1279325 in words is "one million, two hundred seventy-nine thousand, three hundred twenty-five".