1004120404043 has 2 divisors, whose sum is σ = 1004120404044. Its totient is φ = 1004120404042.

The previous prime is 1004120404039. The next prime is 1004120404139. The reversal of 1004120404043 is 3404040214001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1004120404043 - 2² = 1004120404039 is a prime.

It is not a weakly prime, because it can be changed into another prime (1004120404943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502060202021 + 502060202022.

It is an arithmetic number, because the mean of its divisors is an integer number (502060202022).

Almost surely, 2^{1004120404043} is an apocalyptic number.

1004120404043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004120404043 is an equidigital number, since it uses as much as digits as its factorization.

1004120404043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1004120404043 its reverse (3404040214001), we get a palindrome (4408160618044).

The spelling of 1004120404043 in words is "one trillion, four billion, one hundred twenty million, four hundred four thousand, forty-three".