126878 has 4 divisors (see below), whose sum is σ = 190320. Its totient is φ = 63438.

The previous prime is 126859. The next prime is 126913. The reversal of 126878 is 878621.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31718 + ... + 31721.

It is an arithmetic number, because the mean of its divisors is an integer number (47580).

2¹²⁶⁸⁷⁸ is an apocalyptic number.

126878 is a deficient number, since it is larger than the sum of its proper divisors (63442).

126878 is an equidigital number, since it uses as much as digits as its factorization.

126878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63441.

The product of its digits is 5376, while the sum is 32.

The square root of 126878 is about 356.1993823689. The cubic root of 126878 is about 50.2491563599.

The spelling of 126878 in words is "one hundred twenty-six thousand, eight hundred seventy-eight".