1040001204 has 24 divisors (see below), whose sum is σ = 2647276128. Its totient is φ = 315151840.

The previous prime is 1040001199. The next prime is 1040001227. The reversal of 1040001204 is 4021000401.

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 1040001204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3939267 + ... + 3939530.

It is an arithmetic number, because the mean of its divisors is an integer number (110303172).

Almost surely, 2^1040001204 is an apocalyptic number.

It is an amenable number.

1040001204 is an abundant number, since it is smaller than the sum of its proper divisors (1607274924).

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

1040001204 is a wasteful number, since it uses less digits than its factorization.

1040001204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7878815 (or 7878813 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1040001204 is about 32249.0496604164. The cubic root of 1040001204 is about 1013.1597947956.

Adding to 1040001204 its reverse (4021000401), we get a palindrome (5061001605).

The spelling of 1040001204 in words is "one billion, forty million, one thousand, two hundred four".