1204241243 has 2 divisors, whose sum is σ = 1204241244. Its totient is φ = 1204241242.

The previous prime is 1204241209. The next prime is 1204241251. The reversal of 1204241243 is 3421424021.

It is a strong prime.

It is an emirp because it is prime and its reverse (3421424021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1204241243 - 2⁸ = 1204240987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1204241293) 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 as a sum of consecutive naturals, namely, 602120621 + 602120622.

It is an arithmetic number, because the mean of its divisors is an integer number (602120622).

Almost surely, 2^1204241243 is an apocalyptic number.

1204241243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204241243 is an equidigital number, since it uses as much as digits as its factorization.

1204241243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1204241243 is about 34702.1792255184. The cubic root of 1204241243 is about 1063.9090396901.

Adding to 1204241243 its reverse (3421424021), we get a palindrome (4625665264).

The spelling of 1204241243 in words is "one billion, two hundred four million, two hundred forty-one thousand, two hundred forty-three".