124341209 has 2 divisors, whose sum is σ = 124341210. Its totient is φ = 124341208.

The previous prime is 124341193. The next prime is 124341211. The reversal of 124341209 is 902143421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117787609 + 6553600 = 10853^2 + 2560^2 .

It is a cyclic number.

It is not a de Polignac number, because 124341209 - 2⁴ = 124341193 is a prime.

It is a Sophie Germain prime.

Together with 124341211, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (124341229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62170604 + 62170605.

It is an arithmetic number, because the mean of its divisors is an integer number (62170605).

Almost surely, 2^124341209 is an apocalyptic number.

It is an amenable number.

124341209 is a deficient number, since it is larger than the sum of its proper divisors (1).

124341209 is an equidigital number, since it uses as much as digits as its factorization.

124341209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 124341209 is about 11150.8389370486. The cubic root of 124341209 is about 499.1200643349.

The spelling of 124341209 in words is "one hundred twenty-four million, three hundred forty-one thousand, two hundred nine".