127879 has 4 divisors (see below), whose sum is σ = 131040. Its totient is φ = 124720.

The previous prime is 127877. The next prime is 127913. The reversal of 127879 is 978721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978721 = 29 ⋅33749.

It is a cyclic number.

It is not a de Polignac number, because 127879 - 2¹ = 127877 is a prime.

It is a Duffinian number.

127879 is a lucky number.

It is a zygodrome in base 2.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1519 + ... + 1600.

It is an arithmetic number, because the mean of its divisors is an integer number (32760).

2¹²⁷⁸⁷⁹ is an apocalyptic number.

127879 is a deficient number, since it is larger than the sum of its proper divisors (3161).

127879 is an equidigital number, since it uses as much as digits as its factorization.

127879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160.

The product of its digits is 7056, while the sum is 34.

The square root of 127879 is about 357.6017337766. The cubic root of 127879 is about 50.3809567343.

The spelling of 127879 in words is "one hundred twenty-seven thousand, eight hundred seventy-nine".