1244212441 has 2 divisors, whose sum is σ = 1244212442. Its totient is φ = 1244212440.

The previous prime is 1244212421. The next prime is 1244212457. The reversal of 1244212441 is 1442124421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1006158400 + 238054041 = 31720^2 + 15429^2 .

It is an emirp because it is prime and its reverse (1442124421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1244212441 - 2⁷ = 1244212313 is a prime.

It is not a weakly prime, because it can be changed into another prime (1244212421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622106220 + 622106221.

It is an arithmetic number, because the mean of its divisors is an integer number (622106221).

Almost surely, 2^1244212441 is an apocalyptic number.

It is an amenable number.

1244212441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244212441 is an equidigital number, since it uses as much as digits as its factorization.

1244212441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048, while the sum is 25.

The square root of 1244212441 is about 35273.3956545156. The cubic root of 1244212441 is about 1075.5522501591.

Adding to 1244212441 its reverse (1442124421), we get a palindrome (2686336862).

It can be divided in two parts, 1 and 244212441, that added together give a palindrome (244212442).

The spelling of 1244212441 in words is "one billion, two hundred forty-four million, two hundred twelve thousand, four hundred forty-one".