2004121004 has 6 divisors (see below), whose sum is σ = 3507211764. Its totient is φ = 1002060500.

The previous prime is 2004120997. The next prime is 2004121033. The reversal of 2004121004 is 4001214002.

It is a self number, because there is not a number n which added to its sum of digits gives 2004121004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250515122 + ... + 250515129.

It is an arithmetic number, because the mean of its divisors is an integer number (584535294).

Almost surely, 2^2004121004 is an apocalyptic number.

It is an amenable number.

2004121004 is a deficient number, since it is larger than the sum of its proper divisors (1503090760).

2004121004 is a wasteful number, since it uses less digits than its factorization.

2004121004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501030255 (or 501030253 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2004121004 is about 44767.4100658057. The cubic root of 2004121004 is about 1260.7858128324.

Adding to 2004121004 its reverse (4001214002), we get a palindrome (6005335006).

The spelling of 2004121004 in words is "two billion, four million, one hundred twenty-one thousand, four".