111325243 has 4 divisors (see below), whose sum is σ = 111361888. Its totient is φ = 111288600.

The previous prime is 111325223. The next prime is 111325259. The reversal of 111325243 is 342523111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342523111 = 7 ⋅48931873.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111325243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111325223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13308 + ... + 19993.

It is an arithmetic number, because the mean of its divisors is an integer number (27840472).

Almost surely, 2^111325243 is an apocalyptic number.

111325243 is a deficient number, since it is larger than the sum of its proper divisors (36645).

111325243 is an equidigital number, since it uses as much as digits as its factorization.

111325243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36644.

The product of its digits is 720, while the sum is 22.

The square root of 111325243 is about 10551.0778122427. The cubic root of 111325243 is about 481.0584902139.

Adding to 111325243 its reverse (342523111), we get a palindrome (453848354).

The spelling of 111325243 in words is "one hundred eleven million, three hundred twenty-five thousand, two hundred forty-three".