111042123 has 8 divisors (see below), whose sum is σ = 148411200. Its totient is φ = 73850568.

The previous prime is 111042097. The next prime is 111042157. The reversal of 111042123 is 321240111.

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

It is not a de Polignac number, because 111042123 - 2¹² = 111038027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111042193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42913 + ... + 45426.

It is an arithmetic number, because the mean of its divisors is an integer number (18551400).

Almost surely, 2^111042123 is an apocalyptic number.

111042123 is a deficient number, since it is larger than the sum of its proper divisors (37369077).

111042123 is an equidigital number, since it uses as much as digits as its factorization.

111042123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88761.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 111042123 is about 10537.6526323465. The cubic root of 111042123 is about 480.6503380959.

Adding to 111042123 its reverse (321240111), we get a palindrome (432282234).

The spelling of 111042123 in words is "one hundred eleven million, forty-two thousand, one hundred twenty-three".