1234042219 has 2 divisors, whose sum is σ = 1234042220. Its totient is φ = 1234042218.

The previous prime is 1234042181. The next prime is 1234042237. The reversal of 1234042219 is 9122404321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1234042219 - 2²⁵ = 1200487787 is a prime.

It is a super-2 number, since 2×1234042219² = 3045720396548887922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1234042259) 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, 617021109 + 617021110.

It is an arithmetic number, because the mean of its divisors is an integer number (617021110).

Almost surely, 2^1234042219 is an apocalyptic number.

1234042219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234042219 is an equidigital number, since it uses as much as digits as its factorization.

1234042219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1234042219 is about 35128.9370604919. The cubic root of 1234042219 is about 1072.6136990937.

The spelling of 1234042219 in words is "one billion, two hundred thirty-four million, forty-two thousand, two hundred nineteen".