1282725868 has 6 divisors (see below), whose sum is σ = 2244770276. Its totient is φ = 641362932.

The previous prime is 1282725863. The next prime is 1282725881. The reversal of 1282725868 is 8685272821.

It is not an unprimeable number, because it can be changed into a prime (1282725863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160340730 + ... + 160340737.

Almost surely, 2^1282725868 is an apocalyptic number.

It is an amenable number.

1282725868 is a deficient number, since it is larger than the sum of its proper divisors (962044408).

1282725868 is a wasteful number, since it uses less digits than its factorization.

1282725868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320681471 (or 320681469 counting only the distinct ones).

The product of its digits is 860160, while the sum is 49.

The square root of 1282725868 is about 35815.1625432581. The cubic root of 1282725868 is about 1086.5372443419.

The spelling of 1282725868 in words is "one billion, two hundred eighty-two million, seven hundred twenty-five thousand, eight hundred sixty-eight".