1286102881 has 16 divisors (see below), whose sum is σ = 1487622400. Its totient is φ = 1089091008.

The previous prime is 1286102863. The next prime is 1286102897. The reversal of 1286102881 is 1882016821.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1286102881 - 2⁹ = 1286102369 is a prime.

It is a super-2 number, since 2×1286102881² = 3308121241033000322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1286102881.

It is not an unprimeable number, because it can be changed into a prime (1286102281) 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, 282340 + ... + 286858.

It is an arithmetic number, because the mean of its divisors is an integer number (92976400).

Almost surely, 2^1286102881 is an apocalyptic number.

It is an amenable number.

1286102881 is a deficient number, since it is larger than the sum of its proper divisors (201519519).

1286102881 is a wasteful number, since it uses less digits than its factorization.

1286102881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5008.

The product of its (nonzero) digits is 12288, while the sum is 37.

The square root of 1286102881 is about 35862.2765730231. The cubic root of 1286102881 is about 1087.4899121978.

The spelling of 1286102881 in words is "one billion, two hundred eighty-six million, one hundred two thousand, eight hundred eighty-one".