1204203043 has 2 divisors, whose sum is σ = 1204203044. Its totient is φ = 1204203042.

The previous prime is 1204203037. The next prime is 1204203053. The reversal of 1204203043 is 3403024021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1204203043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1204203043.

It is not a weakly prime, because it can be changed into another prime (1204203053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602101521 + 602101522.

It is an arithmetic number, because the mean of its divisors is an integer number (602101522).

Almost surely, 2^1204203043 is an apocalyptic number.

1204203043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204203043 is an equidigital number, since it uses as much as digits as its factorization.

1204203043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1204203043 is about 34701.6288234429. The cubic root of 1204203043 is about 1063.8977900739.

Adding to 1204203043 its reverse (3403024021), we get a palindrome (4607227064).

The spelling of 1204203043 in words is "one billion, two hundred four million, two hundred three thousand, forty-three".