109440041 has 2 divisors, whose sum is σ = 109440042. Its totient is φ = 109440040.

The previous prime is 109439989. The next prime is 109440047. The reversal of 109440041 is 140044901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99580441 + 9859600 = 9979^2 + 3140^2 .

It is an emirp because it is prime and its reverse (140044901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109440041 - 2⁶ = 109439977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109439989 and 109440016.

It is not a weakly prime, because it can be changed into another prime (109440047) 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 as a sum of consecutive naturals, namely, 54720020 + 54720021.

It is an arithmetic number, because the mean of its divisors is an integer number (54720021).

Almost surely, 2^109440041 is an apocalyptic number.

It is an amenable number.

109440041 is a deficient number, since it is larger than the sum of its proper divisors (1).

109440041 is an equidigital number, since it uses as much as digits as its factorization.

109440041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 109440041 is about 10461.3594240902. The cubic root of 109440041 is about 478.3275723048.

Adding to 109440041 its reverse (140044901), we get a palindrome (249484942).

The spelling of 109440041 in words is "one hundred nine million, four hundred forty thousand, forty-one".