109122043 has 4 divisors (see below), whose sum is σ = 109676160. Its totient is φ = 108567928.

The previous prime is 109122037. The next prime is 109122047. The reversal of 109122043 is 340221901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340221901 = 17 ⋅20013053.

It is a cyclic number.

It is not a de Polignac number, because 109122043 - 2⁹ = 109121531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109122047) 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, 276763 + ... + 277156.

It is an arithmetic number, because the mean of its divisors is an integer number (27419040).

Almost surely, 2^109122043 is an apocalyptic number.

109122043 is a deficient number, since it is larger than the sum of its proper divisors (554117).

109122043 is an equidigital number, since it uses as much as digits as its factorization.

109122043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554116.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 109122043 is about 10446.1496734443. The cubic root of 109122043 is about 477.8638335205.

Adding to 109122043 its reverse (340221901), we get a palindrome (449343944).

The spelling of 109122043 in words is "one hundred nine million, one hundred twenty-two thousand, forty-three".