1241004105543 has 8 divisors (see below), whose sum is σ = 1726614407808. Its totient is φ = 791364936824.

The previous prime is 1241004105533. The next prime is 1241004105557. The reversal of 1241004105543 is 3455014001421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1241004105543 - 2⁴ = 1241004105527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1241004105543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241004105503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8992783305 + ... + 8992783442.

It is an arithmetic number, because the mean of its divisors is an integer number (215826800976).

Almost surely, 2^{1241004105543} is an apocalyptic number.

1241004105543 is a deficient number, since it is larger than the sum of its proper divisors (485610302265).

1241004105543 is a wasteful number, since it uses less digits than its factorization.

1241004105543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17985566773.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1241004105543 its reverse (3455014001421), we get a palindrome (4696018106964).

The spelling of 1241004105543 in words is "one trillion, two hundred forty-one billion, four million, one hundred five thousand, five hundred forty-three".