1142020199 has 2 divisors, whose sum is σ = 1142020200. Its totient is φ = 1142020198.

The previous prime is 1142020189. The next prime is 1142020211. The reversal of 1142020199 is 9910202411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1142020199 - 2¹² = 1142016103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142020189) 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, 571010099 + 571010100.

It is an arithmetic number, because the mean of its divisors is an integer number (571010100).

Almost surely, 2^1142020199 is an apocalyptic number.

1142020199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142020199 is an equidigital number, since it uses as much as digits as its factorization.

1142020199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1142020199 is about 33793.7893554422. The cubic root of 1142020199 is about 1045.2606353698.

The spelling of 1142020199 in words is "one billion, one hundred forty-two million, twenty thousand, one hundred ninety-nine".