1241123821717 has 16 divisors (see below), whose sum is σ = 1357414813440. Its totient is φ = 1127890700352.

The previous prime is 1241123821711. The next prime is 1241123821741. The reversal of 1241123821717 is 7171283211421.

It is not a de Polignac number, because 1241123821717 - 2²³ = 1241115433109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1241123821717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241123821711) 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, 1384978 + ... + 2097715.

It is an arithmetic number, because the mean of its divisors is an integer number (84838425840).

Almost surely, 2^{1241123821717} is an apocalyptic number.

It is an amenable number.

1241123821717 is a deficient number, since it is larger than the sum of its proper divisors (116290991723).

1241123821717 is a wasteful number, since it uses less digits than its factorization.

1241123821717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483132.

The product of its digits is 37632, while the sum is 40.

The spelling of 1241123821717 in words is "one trillion, two hundred forty-one billion, one hundred twenty-three million, eight hundred twenty-one thousand, seven hundred seventeen".