123219241 has 2 divisors, whose sum is σ = 123219242. Its totient is φ = 123219240.

The previous prime is 123219221. The next prime is 123219263. The reversal of 123219241 is 142912321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85026841 + 38192400 = 9221^2 + 6180^2 .

It is an emirp because it is prime and its reverse (142912321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123219241 - 2¹⁷ = 123088169 is a prime.

It is not a weakly prime, because it can be changed into another prime (123219221) 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, 61609620 + 61609621.

It is an arithmetic number, because the mean of its divisors is an integer number (61609621).

Almost surely, 2^123219241 is an apocalyptic number.

It is an amenable number.

123219241 is a deficient number, since it is larger than the sum of its proper divisors (1).

123219241 is an equidigital number, since it uses as much as digits as its factorization.

123219241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 123219241 is about 11100.4162534564. The cubic root of 123219241 is about 497.6142895426.

The spelling of 123219241 in words is "one hundred twenty-three million, two hundred nineteen thousand, two hundred forty-one".