1204004143 has 2 divisors, whose sum is σ = 1204004144. Its totient is φ = 1204004142.

The previous prime is 1204004129. The next prime is 1204004167. The reversal of 1204004143 is 3414004021.

It is a weak prime.

It is an emirp because it is prime and its reverse (3414004021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1204004143 - 2¹³ = 1203995951 is a prime.

It is a super-2 number, since 2×1204004143² = 2899251952722328898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1204004143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1204004173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602002071 + 602002072.

It is an arithmetic number, because the mean of its divisors is an integer number (602002072).

Almost surely, 2^1204004143 is an apocalyptic number.

1204004143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204004143 is an equidigital number, since it uses as much as digits as its factorization.

1204004143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1204004143 is about 34698.7628453811. The cubic root of 1204004143 is about 1063.8392116575.

Adding to 1204004143 its reverse (3414004021), we get a palindrome (4618008164).

The spelling of 1204004143 in words is "one billion, two hundred four million, four thousand, one hundred forty-three".