125711 has 2 divisors, whose sum is σ = 125712. Its totient is φ = 125710.

The previous prime is 125707. The next prime is 125717. The reversal of 125711 is 117521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125711 - 2² = 125707 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125717) 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, 62855 + 62856.

It is an arithmetic number, because the mean of its divisors is an integer number (62856).

2¹²⁵⁷¹¹ is an apocalyptic number.

125711 is a deficient number, since it is larger than the sum of its proper divisors (1).

125711 is an equidigital number, since it uses as much as digits as its factorization.

125711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70, while the sum is 17.

The square root of 125711 is about 354.5574706588. The cubic root of 125711 is about 50.0946208250.

The spelling of 125711 in words is "one hundred twenty-five thousand, seven hundred eleven".