126879 has 4 divisors (see below), whose sum is σ = 169176. Its totient is φ = 84584.

The previous prime is 126859. The next prime is 126913. The reversal of 126879 is 978621.

126879 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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 126879 - 2⁷ = 126751 is a prime.

It is a D-number.

126879 is strictly pandigital in base 7.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126839) 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, 21144 + ... + 21149.

It is an arithmetic number, because the mean of its divisors is an integer number (42294).

2¹²⁶⁸⁷⁹ is an apocalyptic number.

126879 is a deficient number, since it is larger than the sum of its proper divisors (42297).

126879 is an equidigital number, since it uses as much as digits as its factorization.

126879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42296.

The product of its digits is 6048, while the sum is 33.

The square root of 126879 is about 356.2007860744. The cubic root of 126879 is about 50.2492883739.

The spelling of 126879 in words is "one hundred twenty-six thousand, eight hundred seventy-nine".