1244111047 has 2 divisors, whose sum is σ = 1244111048. Its totient is φ = 1244111046.

The previous prime is 1244110969. The next prime is 1244111069. The reversal of 1244111047 is 7401114421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1244111047 - 2²⁷ = 1109893319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244111087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622055523 + 622055524.

It is an arithmetic number, because the mean of its divisors is an integer number (622055524).

Almost surely, 2^1244111047 is an apocalyptic number.

1244111047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244111047 is an equidigital number, since it uses as much as digits as its factorization.

1244111047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 1244111047 is about 35271.9583663850. The cubic root of 1244111047 is about 1075.5230328797.

Adding to 1244111047 its reverse (7401114421), we get a palindrome (8645225468).

The spelling of 1244111047 in words is "one billion, two hundred forty-four million, one hundred eleven thousand, forty-seven".