1143341999 has 2 divisors, whose sum is σ = 1143342000. Its totient is φ = 1143341998.

The previous prime is 1143341993. The next prime is 1143342001. The reversal of 1143341999 is 9991433411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1143341999 - 2¹² = 1143337903 is a prime.

It is a Sophie Germain prime.

Together with 1143342001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143341993) 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 as a sum of consecutive naturals, namely, 571670999 + 571671000.

It is an arithmetic number, because the mean of its divisors is an integer number (571671000).

Almost surely, 2^1143341999 is an apocalyptic number.

1143341999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143341999 is an equidigital number, since it uses as much as digits as its factorization.

1143341999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 44.

The square root of 1143341999 is about 33813.3405477779. The cubic root of 1143341999 is about 1045.6637493165.

The spelling of 1143341999 in words is "one billion, one hundred forty-three million, three hundred forty-one thousand, nine hundred ninety-nine".