127841242203841 has 4 divisors (see below), whose sum is σ = 127872988232752. Its totient is φ = 127809496174932.

The previous prime is 127841242203817. The next prime is 127841242203859. The reversal of 127841242203841 is 148302242148721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 127841242203841 - 2²¹ = 127841240106689 is a prime.

It is a super-2 number, since 2×127841242203841² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127841242203541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15873008415 + ... + 15873016468.

It is an arithmetic number, because the mean of its divisors is an integer number (31968247058188).

Almost surely, 2^{127841242203841} is an apocalyptic number.

It is an amenable number.

127841242203841 is a deficient number, since it is larger than the sum of its proper divisors (31746028911).

127841242203841 is an equidigital number, since it uses as much as digits as its factorization.

127841242203841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31746028910.

The product of its (nonzero) digits is 1376256, while the sum is 49.

The spelling of 127841242203841 in words is "one hundred twenty-seven trillion, eight hundred forty-one billion, two hundred forty-two million, two hundred three thousand, eight hundred forty-one".