111122123 has 8 divisors (see below), whose sum is σ = 127061760. Its totient is φ = 95198760.

The previous prime is 111122117. The next prime is 111122159. The reversal of 111122123 is 321221111.

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 111122123 - 2¹⁸ = 110859979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111122098 and 111122107.

It is not an unprimeable number, because it can be changed into a prime (111122173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20378 + ... + 25248.

It is an arithmetic number, because the mean of its divisors is an integer number (15882720).

Almost surely, 2^111122123 is an apocalyptic number.

111122123 is a deficient number, since it is larger than the sum of its proper divisors (15939637).

111122123 is an equidigital number, since it uses as much as digits as its factorization.

111122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8137.

The product of its digits is 24, while the sum is 14.

The square root of 111122123 is about 10541.4478607068. The cubic root of 111122123 is about 480.7657381365.

Adding to 111122123 its reverse (321221111), we get a palindrome (432343234).

The spelling of 111122123 in words is "one hundred eleven million, one hundred twenty-two thousand, one hundred twenty-three".