124421407 has 8 divisors (see below), whose sum is σ = 136645200. Its totient is φ = 112349760.

The previous prime is 124421393. The next prime is 124421413. The reversal of 124421407 is 704124421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124421407 - 2⁷ = 124421279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124421447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36318 + ... + 39595.

It is an arithmetic number, because the mean of its divisors is an integer number (17080650).

Almost surely, 2^124421407 is an apocalyptic number.

124421407 is a deficient number, since it is larger than the sum of its proper divisors (12223793).

124421407 is a wasteful number, since it uses less digits than its factorization.

124421407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76073.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 124421407 is about 11154.4344096866. The cubic root of 124421407 is about 499.2273493035.

Adding to 124421407 its reverse (704124421), we get a palindrome (828545828).

The spelling of 124421407 in words is "one hundred twenty-four million, four hundred twenty-one thousand, four hundred seven".