1279825352 has 16 divisors (see below), whose sum is σ = 2584262940. Its totient is φ = 590688576.

The previous prime is 1279825343. The next prime is 1279825381. The reversal of 1279825352 is 2535289721.

It can be written as a sum of positive squares in 2 ways, for example, as 1272063556 + 7761796 = 35666^2 + 2786^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6152903 + ... + 6153110.

Almost surely, 2^1279825352 is an apocalyptic number.

It is an amenable number.

1279825352 is an abundant number, since it is smaller than the sum of its proper divisors (1304437588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1279825352 is a wasteful number, since it uses less digits than its factorization.

1279825352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12306032 (or 12306028 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 1279825352 is about 35774.6467767328. The cubic root of 1279825352 is about 1085.7176623493.

The spelling of 1279825352 in words is "one billion, two hundred seventy-nine million, eight hundred twenty-five thousand, three hundred fifty-two".