1204430143 has 12 divisors (see below), whose sum is σ = 1404124320. Its totient is φ = 1030119552.

The previous prime is 1204430137. The next prime is 1204430173. The reversal of 1204430143 is 3410344021.

It is not a de Polignac number, because 1204430143 - 2⁹ = 1204429631 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 (1204430173) 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 in 11 ways as a sum of consecutive naturals, for example, 3858 + ... + 49231.

It is an arithmetic number, because the mean of its divisors is an integer number (117010360).

Almost surely, 2^1204430143 is an apocalyptic number.

1204430143 is a deficient number, since it is larger than the sum of its proper divisors (199694177).

1204430143 is an equidigital number, since it uses as much as digits as its factorization.

1204430143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53566 (or 53559 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1204430143 is about 34704.9008498800. The cubic root of 1204430143 is about 1063.9646658395.

Adding to 1204430143 its reverse (3410344021), we get a palindrome (4614774164).

The spelling of 1204430143 in words is "one billion, two hundred four million, four hundred thirty thousand, one hundred forty-three".