1441121999 has 2 divisors, whose sum is σ = 1441122000. Its totient is φ = 1441121998.

The previous prime is 1441121953. The next prime is 1441122031. The reversal of 1441121999 is 9991211441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1441121999 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1441121599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720560999 + 720561000.

It is an arithmetic number, because the mean of its divisors is an integer number (720561000).

Almost surely, 2^1441121999 is an apocalyptic number.

1441121999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441121999 is an equidigital number, since it uses as much as digits as its factorization.

1441121999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 41.

The square root of 1441121999 is about 37962.1126783007. The cubic root of 1441121999 is about 1129.5364478174.

The spelling of 1441121999 in words is "one billion, four hundred forty-one million, one hundred twenty-one thousand, nine hundred ninety-nine".