1279355 has 16 divisors (see below), whose sum is σ = 1914624. Its totient is φ = 797280.

The previous prime is 1279337. The next prime is 1279357. The reversal of 1279355 is 5539721.

It is not a de Polignac number, because 1279355 - 2²⁰ = 230779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1279357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277 + ... + 2046.

It is an arithmetic number, because the mean of its divisors is an integer number (119664).

2^1279355 is an apocalyptic number.

1279355 is a deficient number, since it is larger than the sum of its proper divisors (635269).

1279355 is a wasteful number, since it uses less digits than its factorization.

1279355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346.

The product of its digits is 9450, while the sum is 32.

The square root of 1279355 is about 1131.0857615583. The cubic root of 1279355 is about 108.5584641062.

The spelling of 1279355 in words is "one million, two hundred seventy-nine thousand, three hundred fifty-five".