1005204 has 24 divisors (see below), whose sum is σ = 2362528. Its totient is φ = 332640.

The previous prime is 1005203. The next prime is 1005209. The reversal of 1005204 is 4025001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1005204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005203) 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 7 ways as a sum of consecutive naturals, for example, 2334 + ... + 2730.

2^1005204 is an apocalyptic number.

It is an amenable number.

1005204 is an abundant number, since it is smaller than the sum of its proper divisors (1357324).

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

1005204 is a wasteful number, since it uses less digits than its factorization.

1005204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 1005204 is about 1002.5986235778. The cubic root of 1005204 is about 100.1731666268.

The spelling of 1005204 in words is "one million, five thousand, two hundred four".