112420043 has 4 divisors (see below), whose sum is σ = 116046528. Its totient is φ = 108793560.

The previous prime is 112420027. The next prime is 112420109. The reversal of 112420043 is 340024211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340024211 = 2777 ⋅122443.

It is a cyclic number.

It is not a de Polignac number, because 112420043 - 2⁴ = 112420027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112420013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1813196 + ... + 1813257.

It is an arithmetic number, because the mean of its divisors is an integer number (29011632).

Almost surely, 2^112420043 is an apocalyptic number.

112420043 is a deficient number, since it is larger than the sum of its proper divisors (3626485).

112420043 is an equidigital number, since it uses as much as digits as its factorization.

112420043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626484.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 112420043 is about 10602.8318387118. The cubic root of 112420043 is about 482.6302983312.

Adding to 112420043 its reverse (340024211), we get a palindrome (452444254).

The spelling of 112420043 in words is "one hundred twelve million, four hundred twenty thousand, forty-three".