1286107868 has 48 divisors (see below), whose sum is σ = 2441545344. Its totient is φ = 590561280.

The previous prime is 1286107847. The next prime is 1286107871. The reversal of 1286107868 is 8687016821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480173 + ... + 482843.

It is an arithmetic number, because the mean of its divisors is an integer number (50865528).

Almost surely, 2^1286107868 is an apocalyptic number.

It is an amenable number.

1286107868 is a deficient number, since it is larger than the sum of its proper divisors (1155437476).

1286107868 is a wasteful number, since it uses less digits than its factorization.

1286107868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862 (or 2860 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 1286107868 is about 35862.3461028416. The cubic root of 1286107868 is about 1087.4913178150.

The spelling of 1286107868 in words is "one billion, two hundred eighty-six million, one hundred seven thousand, eight hundred sixty-eight".