1285882 has 24 divisors (see below), whose sum is σ = 2208276. Its totient is φ = 558144.

The previous prime is 1285877. The next prime is 1285891. The reversal of 1285882 is 2885821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1256641 + 29241 = 1121^2 + 171^2 .

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9318 + ... + 9454.

2^1285882 is an apocalyptic number.

1285882 is a deficient number, since it is larger than the sum of its proper divisors (922394).

1285882 is a wasteful number, since it uses less digits than its factorization.

1285882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 171 counting only the distinct ones).

The product of its digits is 10240, while the sum is 34.

The square root of 1285882 is about 1133.9673716646. The cubic root of 1285882 is about 108.7427651857.

The spelling of 1285882 in words is "one million, two hundred eighty-five thousand, eight hundred eighty-two".