1204040203 has 8 divisors (see below), whose sum is σ = 1267877520. Its totient is φ = 1140249600.

The previous prime is 1204040177. The next prime is 1204040207. The reversal of 1204040203 is 3020404021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1204040203 - 2⁵ = 1204040171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204040207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49503 + ... + 69703.

It is an arithmetic number, because the mean of its divisors is an integer number (158484690).

Almost surely, 2^1204040203 is an apocalyptic number.

1204040203 is a deficient number, since it is larger than the sum of its proper divisors (63837317).

1204040203 is a wasteful number, since it uses less digits than its factorization.

1204040203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23357.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1204040203 is about 34699.2824565581. The cubic root of 1204040203 is about 1063.8498322353.

Adding to 1204040203 its reverse (3020404021), we get a palindrome (4224444224).

The spelling of 1204040203 in words is "one billion, two hundred four million, forty thousand, two hundred three".