124005422 has 4 divisors (see below), whose sum is σ = 186008136. Its totient is φ = 62002710.

The previous prime is 124005407. The next prime is 124005449. The reversal of 124005422 is 224500421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 124005394 and 124005403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31001354 + ... + 31001357.

It is an arithmetic number, because the mean of its divisors is an integer number (46502034).

Almost surely, 2^124005422 is an apocalyptic number.

124005422 is a deficient number, since it is larger than the sum of its proper divisors (62002714).

124005422 is an equidigital number, since it uses as much as digits as its factorization.

124005422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62002713.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 124005422 is about 11135.7721779857. The cubic root of 124005422 is about 498.6703632666.

Adding to 124005422 its reverse (224500421), we get a palindrome (348505843).

The spelling of 124005422 in words is "one hundred twenty-four million, five thousand, four hundred twenty-two".