1244741269 has 2 divisors, whose sum is σ = 1244741270. Its totient is φ = 1244741268.

The previous prime is 1244741149. The next prime is 1244741287. The reversal of 1244741269 is 9621474421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1202008900 + 42732369 = 34670^2 + 6537^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244741269 - 2²³ = 1236352661 is a prime.

It is a super-2 number, since 2×1244741269² = 3098761653503460722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244741299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622370634 + 622370635.

It is an arithmetic number, because the mean of its divisors is an integer number (622370635).

Almost surely, 2^1244741269 is an apocalyptic number.

It is an amenable number.

1244741269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244741269 is an equidigital number, since it uses as much as digits as its factorization.

1244741269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 1244741269 is about 35280.8909893160. The cubic root of 1244741269 is about 1075.7046093443.

The spelling of 1244741269 in words is "one billion, two hundred forty-four million, seven hundred forty-one thousand, two hundred sixty-nine".