1283565560 has 16 divisors (see below), whose sum is σ = 2888022600. Its totient is φ = 513426208.

The previous prime is 1283565559. The next prime is 1283565581. The reversal of 1283565560 is 655653821.

It is a super-2 number, since 2×1283565560² = 3295081093636227200, which contains 22 as substring.

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, 16044530 + ... + 16044609.

Almost surely, 2^1283565560 is an apocalyptic number.

1283565560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1283565560 is an abundant number, since it is smaller than the sum of its proper divisors (1604457040).

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

1283565560 is a wasteful number, since it uses less digits than its factorization.

1283565560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32089150 (or 32089146 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The square root of 1283565560 is about 35826.8832024222. The cubic root of 1283565560 is about 1086.7742806009.

The spelling of 1283565560 in words is "one billion, two hundred eighty-three million, five hundred sixty-five thousand, five hundred sixty".