1244228172071 has 2 divisors, whose sum is σ = 1244228172072. Its totient is φ = 1244228172070.

The previous prime is 1244228172059. The next prime is 1244228172097. The reversal of 1244228172071 is 1702718224421.

It is a weak prime.

It is an emirp because it is prime and its reverse (1702718224421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1244228172071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244228162071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622114086035 + 622114086036.

It is an arithmetic number, because the mean of its divisors is an integer number (622114086036).

Almost surely, 2^{1244228172071} is an apocalyptic number.

1244228172071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244228172071 is an equidigital number, since it uses as much as digits as its factorization.

1244228172071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100352, while the sum is 41.

The spelling of 1244228172071 in words is "one trillion, two hundred forty-four billion, two hundred twenty-eight million, one hundred seventy-two thousand, seventy-one".