126727 has 4 divisors (see below), whose sum is σ = 127440. Its totient is φ = 126016.

The previous prime is 126719. The next prime is 126733. The reversal of 126727 is 727621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 126727 - 2³ = 126719 is a prime.

It is a Duffinian number.

126727 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126757) 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, 174 + ... + 532.

It is an arithmetic number, because the mean of its divisors is an integer number (31860).

2¹²⁶⁷²⁷ is an apocalyptic number.

126727 is a deficient number, since it is larger than the sum of its proper divisors (713).

126727 is an equidigital number, since it uses as much as digits as its factorization.

126727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712.

The product of its digits is 1176, while the sum is 25.

The square root of 126727 is about 355.9873593261. The cubic root of 126727 is about 50.2292142773.

The spelling of 126727 in words is "one hundred twenty-six thousand, seven hundred twenty-seven".