125111 has 8 divisors (see below), whose sum is σ = 145824. Its totient is φ = 105120.

The previous prime is 125107. The next prime is 125113. The reversal of 125111 is 111521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125111 - 2² = 125107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125092 and 125101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125113) 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 7 ways as a sum of consecutive naturals, for example, 281 + ... + 573.

It is an arithmetic number, because the mean of its divisors is an integer number (18228).

2¹²⁵¹¹¹ is an apocalyptic number.

125111 is a deficient number, since it is larger than the sum of its proper divisors (20713).

125111 is an equidigital number, since it uses as much as digits as its factorization.

125111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

The product of its digits is 10, while the sum is 11.

The square root of 125111 is about 353.7103334651. The cubic root of 125111 is about 50.0147956214.

Adding to 125111 its reverse (111521), we get a palindrome (236632).

The spelling of 125111 in words is "one hundred twenty-five thousand, one hundred eleven".