1280541882 has 16 divisors (see below), whose sum is σ = 2672435520. Its totient is φ = 408288672.

The previous prime is 1280541869. The next prime is 1280541907. The reversal of 1280541882 is 2881450821.

It is a super-2 number, since 2×1280541882² = 3279575023112203848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1280541882.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4639507 + ... + 4639782.

It is an arithmetic number, because the mean of its divisors is an integer number (167027220).

Almost surely, 2^1280541882 is an apocalyptic number.

1280541882 is an abundant number, since it is smaller than the sum of its proper divisors (1391893638).

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

1280541882 is a wasteful number, since it uses less digits than its factorization.

1280541882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9279317.

The product of its (nonzero) digits is 40960, while the sum is 39.

The square root of 1280541882 is about 35784.6598698381. The cubic root of 1280541882 is about 1085.9202431515.

The spelling of 1280541882 in words is "one billion, two hundred eighty million, five hundred forty-one thousand, eight hundred eighty-two".