1204325143 has 4 divisors (see below), whose sum is σ = 1376371600. Its totient is φ = 1032278688.

The previous prime is 1204325069. The next prime is 1204325167. The reversal of 1204325143 is 3415234021.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-1204325143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204325183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86023218 + ... + 86023231.

It is an arithmetic number, because the mean of its divisors is an integer number (344092900).

Almost surely, 2^1204325143 is an apocalyptic number.

1204325143 is a deficient number, since it is larger than the sum of its proper divisors (172046457).

1204325143 is an equidigital number, since it uses as much as digits as its factorization.

1204325143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172046456.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1204325143 is about 34703.3880622627. The cubic root of 1204325143 is about 1063.9337467815.

Adding to 1204325143 its reverse (3415234021), we get a palindrome (4619559164).

The spelling of 1204325143 in words is "one billion, two hundred four million, three hundred twenty-five thousand, one hundred forty-three".