1280886102 has 32 divisors (see below), whose sum is σ = 2996227200. Its totient is φ = 404490024.

The previous prime is 1280886073. The next prime is 1280886109. The reversal of 1280886102 is 2016880821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1280886109) 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, 623188 + ... + 625239.

It is an arithmetic number, because the mean of its divisors is an integer number (93632100).

Almost surely, 2^1280886102 is an apocalyptic number.

1280886102 is an abundant number, since it is smaller than the sum of its proper divisors (1715341098).

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

1280886102 is a wasteful number, since it uses less digits than its factorization.

1280886102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248457 (or 1248451 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 1280886102 is about 35789.4691494579. The cubic root of 1280886102 is about 1086.0175358116.

The spelling of 1280886102 in words is "one billion, two hundred eighty million, eight hundred eighty-six thousand, one hundred two".