1244838112271 has 4 divisors (see below), whose sum is σ = 1340594890152. Its totient is φ = 1149081334392.

The previous prime is 1244838112267. The next prime is 1244838112279. The reversal of 1244838112271 is 1722118384421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1244838112271 - 2² = 1244838112267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244838112279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47878388921 + ... + 47878388946.

It is an arithmetic number, because the mean of its divisors is an integer number (335148722538).

Almost surely, 2^{1244838112271} is an apocalyptic number.

1244838112271 is a deficient number, since it is larger than the sum of its proper divisors (95756777881).

1244838112271 is an equidigital number, since it uses as much as digits as its factorization.

1244838112271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95756777880.

The product of its digits is 172032, while the sum is 44.

The spelling of 1244838112271 in words is "one trillion, two hundred forty-four billion, eight hundred thirty-eight million, one hundred twelve thousand, two hundred seventy-one".