411123109 has 2 divisors, whose sum is σ = 411123110. Its totient is φ = 411123108.

The previous prime is 411123077. The next prime is 411123127. The reversal of 411123109 is 901321114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295496100 + 115627009 = 17190^2 + 10753^2 .

It is a cyclic number.

It is not a de Polignac number, because 411123109 - 2⁵ = 411123077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 411123109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (411123179) 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, 205561554 + 205561555.

It is an arithmetic number, because the mean of its divisors is an integer number (205561555).

Almost surely, 2^411123109 is an apocalyptic number.

It is an amenable number.

411123109 is a deficient number, since it is larger than the sum of its proper divisors (1).

411123109 is an equidigital number, since it uses as much as digits as its factorization.

411123109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 411123109 is about 20276.1709649529. The cubic root of 411123109 is about 743.5736015152.

The spelling of 411123109 in words is "four hundred eleven million, one hundred twenty-three thousand, one hundred nine".