124220242252 has 6 divisors (see below), whose sum is σ = 217385423948. Its totient is φ = 62110121124.

The previous prime is 124220242171. The next prime is 124220242337. The reversal of 124220242252 is 252242022421.

It is a happy number.

124220242252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 124220242252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15527530278 + ... + 15527530285.

Almost surely, 2^124220242252 is an apocalyptic number.

It is an amenable number.

124220242252 is a deficient number, since it is larger than the sum of its proper divisors (93165181696).

124220242252 is a wasteful number, since it uses less digits than its factorization.

124220242252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31055060567 (or 31055060565 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 124220242252 its reverse (252242022421), we get a palindrome (376462264673).

The spelling of 124220242252 in words is "one hundred twenty-four billion, two hundred twenty million, two hundred forty-two thousand, two hundred fifty-two".