127871 has 4 divisors (see below), whose sum is σ = 129744. Its totient is φ = 126000.

The previous prime is 127867. The next prime is 127873. The reversal of 127871 is 178721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178721 = 17 ⋅10513.

It is a cyclic number.

It is not a de Polignac number, because 127871 - 2² = 127867 is a prime.

It is a super-3 number, since 3×127871³ = 6272453339991933, which contains 333 as substring.

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 127871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127873) 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, 830 + ... + 971.

It is an arithmetic number, because the mean of its divisors is an integer number (32436).

2¹²⁷⁸⁷¹ is an apocalyptic number.

127871 is a deficient number, since it is larger than the sum of its proper divisors (1873).

127871 is an equidigital number, since it uses as much as digits as its factorization.

127871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872.

The product of its digits is 784, while the sum is 26.

The square root of 127871 is about 357.5905479735. The cubic root of 127871 is about 50.3799061160.

It can be divided in two parts, 1 and 27871, that added together give a palindrome (27872).

The spelling of 127871 in words is "one hundred twenty-seven thousand, eight hundred seventy-one".