1244112427 has 2 divisors, whose sum is σ = 1244112428. Its totient is φ = 1244112426.

The previous prime is 1244112341. The next prime is 1244112437. The reversal of 1244112427 is 7242114421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1244112427 - 2⁷ = 1244112299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1244112395 and 1244112404.

It is not a weakly prime, because it can be changed into another prime (1244112437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622056213 + 622056214.

It is an arithmetic number, because the mean of its divisors is an integer number (622056214).

Almost surely, 2^1244112427 is an apocalyptic number.

1244112427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244112427 is an equidigital number, since it uses as much as digits as its factorization.

1244112427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584, while the sum is 28.

The square root of 1244112427 is about 35271.9779286617. The cubic root of 1244112427 is about 1075.5234305455.

Adding to 1244112427 its reverse (7242114421), we get a palindrome (8486226848).

The spelling of 1244112427 in words is "one billion, two hundred forty-four million, one hundred twelve thousand, four hundred twenty-seven".