1244331199 has 2 divisors, whose sum is σ = 1244331200. Its totient is φ = 1244331198.

The previous prime is 1244331139. The next prime is 1244331203. The reversal of 1244331199 is 9911334421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1244331199 - 2¹⁷ = 1244200127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244331139) 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, 622165599 + 622165600.

It is an arithmetic number, because the mean of its divisors is an integer number (622165600).

Almost surely, 2^1244331199 is an apocalyptic number.

1244331199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244331199 is an equidigital number, since it uses as much as digits as its factorization.

1244331199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 1244331199 is about 35275.0790077074. The cubic root of 1244331199 is about 1075.5864689592.

The spelling of 1244331199 in words is "one billion, two hundred forty-four million, three hundred thirty-one thousand, one hundred ninety-nine".