124424409 has 4 divisors (see below), whose sum is σ = 165899216. Its totient is φ = 82949604.

The previous prime is 124424393. The next prime is 124424423. The reversal of 124424409 is 904424421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 124424409 - 2⁴ = 124424393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124425409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20737399 + ... + 20737404.

It is an arithmetic number, because the mean of its divisors is an integer number (41474804).

Almost surely, 2^124424409 is an apocalyptic number.

It is an amenable number.

124424409 is a deficient number, since it is larger than the sum of its proper divisors (41474807).

124424409 is an equidigital number, since it uses as much as digits as its factorization.

124424409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41474806.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 124424409 is about 11154.5689741917. The cubic root of 124424409 is about 499.2313643372.

The spelling of 124424409 in words is "one hundred twenty-four million, four hundred twenty-four thousand, four hundred nine".