124421406 has 8 divisors (see below), whose sum is σ = 248842824. Its totient is φ = 41473800.

The previous prime is 124421393. The next prime is 124421413. The reversal of 124421406 is 604124421.

It is a happy number.

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

124421406 is an admirable number.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10368445 + ... + 10368456.

It is an arithmetic number, because the mean of its divisors is an integer number (31105353).

Almost surely, 2^124421406 is an apocalyptic number.

124421406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124421406 is a wasteful number, since it uses less digits than its factorization.

124421406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20736906.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 124421406 is about 11154.4343648614. The cubic root of 124421406 is about 499.2273479660.

Adding to 124421406 its reverse (604124421), we get a palindrome (728545827).

The spelling of 124421406 in words is "one hundred twenty-four million, four hundred twenty-one thousand, four hundred six".