1285132 has 12 divisors (see below), whose sum is σ = 2381400. Its totient is φ = 604736.

The previous prime is 1285129. The next prime is 1285139. The reversal of 1285132 is 2315821.

It is not an unprimeable number, because it can be changed into a prime (1285139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9382 + ... + 9517.

It is an arithmetic number, because the mean of its divisors is an integer number (198450).

2^1285132 is an apocalyptic number.

It is an amenable number.

1285132 is a deficient number, since it is larger than the sum of its proper divisors (1096268).

1285132 is a wasteful number, since it uses less digits than its factorization.

1285132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18920 (or 18918 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 1285132 is about 1133.6366260844. The cubic root of 1285132 is about 108.7216194052.

The spelling of 1285132 in words is "one million, two hundred eighty-five thousand, one hundred thirty-two".