1004104121 has 4 divisors (see below), whose sum is σ = 1004196132. Its totient is φ = 1004012112.

The previous prime is 1004104117. The next prime is 1004104163. The reversal of 1004104121 is 1214014001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1214014001 = 307 ⋅3954443.

It can be written as a sum of positive squares in 2 ways, for example, as 175297600 + 828806521 = 13240^2 + 28789^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004104121 - 2² = 1004104117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1004104096 and 1004104105.

It is not an unprimeable number, because it can be changed into a prime (1004104111) by changing a digit.

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, 27026 + ... + 52331.

It is an arithmetic number, because the mean of its divisors is an integer number (251049033).

Almost surely, 2^1004104121 is an apocalyptic number.

It is an amenable number.

1004104121 is a deficient number, since it is larger than the sum of its proper divisors (92011).

1004104121 is an equidigital number, since it uses as much as digits as its factorization.

1004104121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92010.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1004104121 is about 31687.6020077254. The cubic root of 1004104121 is about 1001.3661730546.

Adding to 1004104121 its reverse (1214014001), we get a palindrome (2218118122).

The spelling of 1004104121 in words is "one billion, four million, one hundred four thousand, one hundred twenty-one".