1025804 has 12 divisors (see below), whose sum is σ = 1933344. Its totient is φ = 473424.

The previous prime is 1025803. The next prime is 1025807. The reversal of 1025804 is 4085201.

It is not an unprimeable number, because it can be changed into a prime (1025803) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 9812 + ... + 9915.

It is an arithmetic number, because the mean of its divisors is an integer number (161112).

2^1025804 is an apocalyptic number.

It is an amenable number.

1025804 is a deficient number, since it is larger than the sum of its proper divisors (907540).

1025804 is a wasteful number, since it uses less digits than its factorization.

1025804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19744 (or 19742 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1025804 is about 1012.8198260303. The cubic root of 1025804 is about 100.8528393078.

The spelling of 1025804 in words is "one million, twenty-five thousand, eight hundred four".