111124043 has 4 divisors (see below), whose sum is σ = 111442800. Its totient is φ = 110805288.

The previous prime is 111124037. The next prime is 111124067. The reversal of 111124043 is 340421111.

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: 340421111 = 29 ⋅11738659.

It is a cyclic number.

It is not a de Polignac number, because 111124043 - 2¹² = 111119947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111124843) 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 3 ways as a sum of consecutive naturals, for example, 158855 + ... + 159552.

It is an arithmetic number, because the mean of its divisors is an integer number (27860700).

Almost surely, 2^111124043 is an apocalyptic number.

111124043 is a deficient number, since it is larger than the sum of its proper divisors (318757).

111124043 is an equidigital number, since it uses as much as digits as its factorization.

111124043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318756.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 111124043 is about 10541.5389293974. The cubic root of 111124043 is about 480.7685070568.

Adding to 111124043 its reverse (340421111), we get a palindrome (451545154).

The spelling of 111124043 in words is "one hundred eleven million, one hundred twenty-four thousand, forty-three".