1004021520104 has 16 divisors (see below), whose sum is σ = 1882612462500. Its totient is φ = 501991530112.

The previous prime is 1004021520091. The next prime is 1004021520149. The reversal of 1004021520104 is 4010251204001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 949124092900 + 54897427204 = 974230^2 + 234302^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 2180627 + ... + 2600610.

Almost surely, 2^{1004021520104} is an apocalyptic number.

It is an amenable number.

1004021520104 is a deficient number, since it is larger than the sum of its proper divisors (878590942396).

1004021520104 is a wasteful number, since it uses less digits than its factorization.

1004021520104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4807492 (or 4807488 counting only the distinct ones).

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

Adding to 1004021520104 its reverse (4010251204001), we get a palindrome (5014272724105).

The spelling of 1004021520104 in words is "one trillion, four billion, twenty-one million, five hundred twenty thousand, one hundred four".