124212422 has 4 divisors (see below), whose sum is σ = 186318636. Its totient is φ = 62106210.

The previous prime is 124212419. The next prime is 124212437. The reversal of 124212422 is 224212421.

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 = 124212394 and 124212403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31053104 + ... + 31053107.

It is an arithmetic number, because the mean of its divisors is an integer number (46579659).

Almost surely, 2^124212422 is an apocalyptic number.

124212422 is a deficient number, since it is larger than the sum of its proper divisors (62106214).

124212422 is an equidigital number, since it uses as much as digits as its factorization.

124212422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62106213.

The product of its digits is 512, while the sum is 20.

The square root of 124212422 is about 11145.0626736686. The cubic root of 124212422 is about 498.9476828108.

Adding to 124212422 its reverse (224212421), we get a palindrome (348424843).

Subtracting 124212422 from its reverse (224212421), we obtain a palindrome (99999999).

The spelling of 124212422 in words is "one hundred twenty-four million, two hundred twelve thousand, four hundred twenty-two".