124413409 has 2 divisors, whose sum is σ = 124413410. Its totient is φ = 124413408.

The previous prime is 124413383. The next prime is 124413437. The reversal of 124413409 is 904314421.

It is an a-pointer prime, because the next prime (124413437) can be obtained adding 124413409 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123210000 + 1203409 = 11100^2 + 1097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124413409 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124413109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62206704 + 62206705.

It is an arithmetic number, because the mean of its divisors is an integer number (62206705).

Almost surely, 2^124413409 is an apocalyptic number.

It is an amenable number.

124413409 is a deficient number, since it is larger than the sum of its proper divisors (1).

124413409 is an equidigital number, since it uses as much as digits as its factorization.

124413409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 124413409 is about 11154.0758917985. The cubic root of 124413409 is about 499.2166520395.

The spelling of 124413409 in words is "one hundred twenty-four million, four hundred thirteen thousand, four hundred nine".