127217641343 has 8 divisors (see below), whose sum is σ = 137272783200. Its totient is φ = 117200952288.

The previous prime is 127217641321. The next prime is 127217641349. The reversal of 127217641343 is 343146712721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127217641343 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 127217641343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127217641349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9606323 + ... + 9619556.

It is an arithmetic number, because the mean of its divisors is an integer number (17159097900).

Almost surely, 2^127217641343 is an apocalyptic number.

127217641343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

127217641343 is a deficient number, since it is larger than the sum of its proper divisors (10055141857).

127217641343 is a wasteful number, since it uses less digits than its factorization.

127217641343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19226401.

The product of its digits is 169344, while the sum is 41.

The spelling of 127217641343 in words is "one hundred twenty-seven billion, two hundred seventeen million, six hundred forty-one thousand, three hundred forty-three".