127941941247 has 4 divisors (see below), whose sum is σ = 170589255000. Its totient is φ = 85294627496.

The previous prime is 127941941219. The next prime is 127941941249. The reversal of 127941941247 is 742149149721.

It is a happy number.

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 127941941247 - 2¹⁰ = 127941940223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 127941941247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127941941249) 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, 21323656872 + ... + 21323656877.

It is an arithmetic number, because the mean of its divisors is an integer number (42647313750).

Almost surely, 2^127941941247 is an apocalyptic number.

127941941247 is a deficient number, since it is larger than the sum of its proper divisors (42647313753).

127941941247 is an equidigital number, since it uses as much as digits as its factorization.

127941941247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42647313752.

The product of its digits is 1016064, while the sum is 51.

The spelling of 127941941247 in words is "one hundred twenty-seven billion, nine hundred forty-one million, nine hundred forty-one thousand, two hundred forty-seven".