1280601884 has 12 divisors (see below), whose sum is σ = 2262811824. Its totient is φ = 634084224.

The previous prime is 1280601871. The next prime is 1280601911. The reversal of 1280601884 is 4881060821.

It is a congruent number.

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, 1553717 + ... + 1554540.

It is an arithmetic number, because the mean of its divisors is an integer number (188567652).

Almost surely, 2^1280601884 is an apocalyptic number.

It is an amenable number.

1280601884 is a deficient number, since it is larger than the sum of its proper divisors (982209940).

1280601884 is a wasteful number, since it uses less digits than its factorization.

1280601884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108364 (or 3108362 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 1280601884 is about 35785.4982360173. The cubic root of 1280601884 is about 1085.9372037757.

The spelling of 1280601884 in words is "one billion, two hundred eighty million, six hundred one thousand, eight hundred eighty-four".