1244005311241 has 16 divisors (see below), whose sum is σ = 1551921085440. Its totient is φ = 968758897680.

The previous prime is 1244005311181. The next prime is 1244005311271. The reversal of 1244005311241 is 1421135004421.

It is a happy number.

It is not a de Polignac number, because 1244005311241 - 2⁷ = 1244005311113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1244005311271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4839661 + ... + 5090218.

It is an arithmetic number, because the mean of its divisors is an integer number (96995067840).

Almost surely, 2^{1244005311241} is an apocalyptic number.

1244005311241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1244005311241 is a deficient number, since it is larger than the sum of its proper divisors (307915774199).

1244005311241 is a wasteful number, since it uses less digits than its factorization.

1244005311241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9931524.

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 1244005311241 in words is "one trillion, two hundred forty-four billion, five million, three hundred eleven thousand, two hundred forty-one".