1202201843 has 2 divisors, whose sum is σ = 1202201844. Its totient is φ = 1202201842.

The previous prime is 1202201831. The next prime is 1202201849. The reversal of 1202201843 is 3481022021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3481022021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1202201843 - 2⁴ = 1202201827 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202201849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601100921 + 601100922.

It is an arithmetic number, because the mean of its divisors is an integer number (601100922).

Almost surely, 2^1202201843 is an apocalyptic number.

1202201843 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202201843 is an equidigital number, since it uses as much as digits as its factorization.

1202201843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1202201843 is about 34672.7824525232. The cubic root of 1202201843 is about 1063.3081185462.

Adding to 1202201843 its reverse (3481022021), we get a palindrome (4683223864).

The spelling of 1202201843 in words is "one billion, two hundred two million, two hundred one thousand, eight hundred forty-three".