1279288002 has 16 divisors (see below), whose sum is σ = 2559422880. Its totient is φ = 426288192.

The previous prime is 1279287979. The next prime is 1279288007. The reversal of 1279288002 is 2008829721.

It is a super-2 number, since 2×1279288002² = 3273155584122304008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1279288007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14727 + ... + 52682.

It is an arithmetic number, because the mean of its divisors is an integer number (159963930).

Almost surely, 2^1279288002 is an apocalyptic number.

1279288002 is an abundant number, since it is smaller than the sum of its proper divisors (1280134878).

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

1279288002 is a wasteful number, since it uses less digits than its factorization.

1279288002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70577.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 1279288002 is about 35767.1357813286. The cubic root of 1279288002 is about 1085.5656905576.

The spelling of 1279288002 in words is "one billion, two hundred seventy-nine million, two hundred eighty-eight thousand, two".