1080804 has 12 divisors (see below), whose sum is σ = 2521904. Its totient is φ = 360264.

The previous prime is 1080803. The next prime is 1080811. The reversal of 1080804 is 4080801.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1080803) 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, 45022 + ... + 45045.

2^1080804 is an apocalyptic number.

It is an amenable number.

1080804 is an abundant number, since it is smaller than the sum of its proper divisors (1441100).

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

1080804 is a wasteful number, since it uses less digits than its factorization.

1080804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90074 (or 90072 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 1080804 is about 1039.6172372561. The cubic root of 1080804 is about 102.6240101273.

The spelling of 1080804 in words is "one million, eighty thousand, eight hundred four".