124142422 has 4 divisors (see below), whose sum is σ = 186213636. Its totient is φ = 62071210.

The previous prime is 124142401. The next prime is 124142423. The reversal of 124142422 is 224241421.

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

It is a super-2 number, since 2×124142422² = 30822681880052168, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 124142393 and 124142402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124142423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31035604 + ... + 31035607.

It is an arithmetic number, because the mean of its divisors is an integer number (46553409).

Almost surely, 2^124142422 is an apocalyptic number.

124142422 is a deficient number, since it is larger than the sum of its proper divisors (62071214).

124142422 is an equidigital number, since it uses as much as digits as its factorization.

124142422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62071213.

The product of its digits is 1024, while the sum is 22.

The square root of 124142422 is about 11141.9218270458. The cubic root of 124142422 is about 498.8539377564.

Adding to 124142422 its reverse (224241421), we get a palindrome (348383843).

The spelling of 124142422 in words is "one hundred twenty-four million, one hundred forty-two thousand, four hundred twenty-two".