1244042011 has 2 divisors, whose sum is σ = 1244042012. Its totient is φ = 1244042010.

The previous prime is 1244041969. The next prime is 1244042017. The reversal of 1244042011 is 1102404421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1244042011 - 2⁹ = 1244041499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1244042011.

It is not a weakly prime, because it can be changed into another prime (1244042017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622021005 + 622021006.

It is an arithmetic number, because the mean of its divisors is an integer number (622021006).

Almost surely, 2^1244042011 is an apocalyptic number.

1244042011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244042011 is an equidigital number, since it uses as much as digits as its factorization.

1244042011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1244042011 is about 35270.9797283829. The cubic root of 1244042011 is about 1075.5031388406.

Adding to 1244042011 its reverse (1102404421), we get a palindrome (2346446432).

The spelling of 1244042011 in words is "one billion, two hundred forty-four million, forty-two thousand, eleven".