127712163 has 8 divisors (see below), whose sum is σ = 170468368. Its totient is φ = 85048704.

The previous prime is 127712161. The next prime is 127712231. The reversal of 127712163 is 361217721.

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

It is not a de Polignac number, because 127712163 - 2¹ = 127712161 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 127712163.

It is not an unprimeable number, because it can be changed into a prime (127712161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19906 + ... + 25527.

It is an arithmetic number, because the mean of its divisors is an integer number (21308546).

Almost surely, 2^127712163 is an apocalyptic number.

127712163 is a deficient number, since it is larger than the sum of its proper divisors (42756205).

127712163 is an equidigital number, since it uses as much as digits as its factorization.

127712163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46373.

The product of its digits is 3528, while the sum is 30.

The square root of 127712163 is about 11300.9806211674. The cubic root of 127712163 is about 503.5903740514.

Adding to 127712163 its reverse (361217721), we get a palindrome (488929884).

The spelling of 127712163 in words is "one hundred twenty-seven million, seven hundred twelve thousand, one hundred sixty-three".