111125 has 16 divisors (see below), whose sum is σ = 159744. Its totient is φ = 75600.

The previous prime is 111121. The next prime is 111127. The reversal of 111125 is 521111.

111125 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 111125 - 2² = 111121 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 812 + ... + 938.

It is an arithmetic number, because the mean of its divisors is an integer number (9984).

2¹¹¹¹²⁵ is an apocalyptic number.

It is an amenable number.

111125 is a deficient number, since it is larger than the sum of its proper divisors (48619).

111125 is an equidigital number, since it uses as much as digits as its factorization.

111125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 139 counting only the distinct ones).

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

The square root of 111125 is about 333.3541660157. The cubic root of 111125 is about 48.0769887179.

Adding to 111125 its reverse (521111), we get a palindrome (632236).

The spelling of 111125 in words is "one hundred eleven thousand, one hundred twenty-five".