125211 has 4 divisors (see below), whose sum is σ = 166952. Its totient is φ = 83472.

The previous prime is 125207. The next prime is 125219. The reversal of 125211 is 112521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112521 = 3 ⋅37507.

It is not a de Polignac number, because 125211 - 2² = 125207 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20866 + ... + 20871.

It is an arithmetic number, because the mean of its divisors is an integer number (41738).

2¹²⁵²¹¹ is an apocalyptic number.

125211 is a deficient number, since it is larger than the sum of its proper divisors (41741).

125211 is an equidigital number, since it uses as much as digits as its factorization.

125211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41740.

The product of its digits is 20, while the sum is 12.

The square root of 125211 is about 353.8516638367. The cubic root of 125211 is about 50.0281175185.

Adding to 125211 its reverse (112521), we get a palindrome (237732).

The spelling of 125211 in words is "one hundred twenty-five thousand, two hundred eleven".