126877 has 4 divisors (see below), whose sum is σ = 128736. Its totient is φ = 125020.

The previous prime is 126859. The next prime is 126913. The reversal of 126877 is 778621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 778621 = 29 ⋅26849.

It is a cyclic number.

It is not a de Polignac number, because 126877 - 2¹⁵ = 94109 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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 (126827) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 823 + ... + 964.

It is an arithmetic number, because the mean of its divisors is an integer number (32184).

2¹²⁶⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

126877 is a deficient number, since it is larger than the sum of its proper divisors (1859).

126877 is an equidigital number, since it uses as much as digits as its factorization.

126877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858.

The product of its digits is 4704, while the sum is 31.

The square root of 126877 is about 356.1979786579. The cubic root of 126877 is about 50.2490243451.

It can be divided in two parts, 12 and 6877, that added together give a square (6889 = 83²).

The spelling of 126877 in words is "one hundred twenty-six thousand, eight hundred seventy-seven".