1204740105203 has 4 divisors (see below), whose sum is σ = 1225159429080. Its totient is φ = 1184320781328.

The previous prime is 1204740105161. The next prime is 1204740105211. The reversal of 1204740105203 is 3025010474021.

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 1204740105203 - 2¹⁰ = 1204740104179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204740104203) 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 3 ways as a sum of consecutive naturals, for example, 10209661850 + ... + 10209661967.

It is an arithmetic number, because the mean of its divisors is an integer number (306289857270).

Almost surely, 2^{1204740105203} is an apocalyptic number.

1204740105203 is a deficient number, since it is larger than the sum of its proper divisors (20419323877).

1204740105203 is an equidigital number, since it uses as much as digits as its factorization.

1204740105203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20419323876.

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 1204740105203 its reverse (3025010474021), we get a palindrome (4229750579224).

The spelling of 1204740105203 in words is "one trillion, two hundred four billion, seven hundred forty million, one hundred five thousand, two hundred three".