123727 has 2 divisors, whose sum is σ = 123728. Its totient is φ = 123726.

The previous prime is 123719. The next prime is 123731. The reversal of 123727 is 727321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123727 - 2³ = 123719 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 123698 and 123707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123707) 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 as a sum of consecutive naturals, namely, 61863 + 61864.

It is an arithmetic number, because the mean of its divisors is an integer number (61864).

2¹²³⁷²⁷ is an apocalyptic number.

123727 is a deficient number, since it is larger than the sum of its proper divisors (1).

123727 is an equidigital number, since it uses as much as digits as its factorization.

123727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 588, while the sum is 22.

The square root of 123727 is about 351.7484896911. The cubic root of 123727 is about 49.8296871963.

The spelling of 123727 in words is "one hundred twenty-three thousand, seven hundred twenty-seven", and thus it is an iban number.