1285282852 has 12 divisors (see below), whose sum is σ = 2570565760. Its totient is φ = 550835496.

The previous prime is 1285282819. The next prime is 1285282861. The reversal of 1285282852 is 2582825821.

1285282852 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1285282799 and 1285282808.

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, 22951452 + ... + 22951507.

Almost surely, 2^1285282852 is an apocalyptic number.

It is an amenable number.

1285282852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1285282852 is a wasteful number, since it uses less digits than its factorization.

1285282852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45902970 (or 45902968 counting only the distinct ones).

The product of its digits is 204800, while the sum is 43.

The square root of 1285282852 is about 35850.8417195468. The cubic root of 1285282852 is about 1087.2587324378.

The spelling of 1285282852 in words is "one billion, two hundred eighty-five million, two hundred eighty-two thousand, eight hundred fifty-two".