1204434443103 has 4 divisors (see below), whose sum is σ = 1605912590808. Its totient is φ = 802956295400.

The previous prime is 1204434443033. The next prime is 1204434443117. The reversal of 1204434443103 is 3013444344021.

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

It is a cyclic number.

It is not a de Polignac number, because 1204434443103 - 2¹⁸ = 1204434180959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204434443503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200739073848 + ... + 200739073853.

It is an arithmetic number, because the mean of its divisors is an integer number (401478147702).

Almost surely, 2^{1204434443103} is an apocalyptic number.

1204434443103 is a deficient number, since it is larger than the sum of its proper divisors (401478147705).

1204434443103 is an equidigital number, since it uses as much as digits as its factorization.

1204434443103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401478147704.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 1204434443103 its reverse (3013444344021), we get a palindrome (4217878787124).

The spelling of 1204434443103 in words is "one trillion, two hundred four billion, four hundred thirty-four million, four hundred forty-three thousand, one hundred three".