1285292 has 6 divisors (see below), whose sum is σ = 2249268. Its totient is φ = 642644.

The previous prime is 1285289. The next prime is 1285301. The reversal of 1285292 is 2925821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160658 + ... + 160665.

It is an arithmetic number, because the mean of its divisors is an integer number (374878).

2^1285292 is an apocalyptic number.

It is an amenable number.

1285292 is a deficient number, since it is larger than the sum of its proper divisors (963976).

1285292 is a wasteful number, since it uses less digits than its factorization.

1285292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321327 (or 321325 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 1285292 is about 1133.7071932382. The cubic root of 1285292 is about 108.7261311953.

The spelling of 1285292 in words is "one million, two hundred eighty-five thousand, two hundred ninety-two".