124221242142 has 20 divisors (see below), whose sum is σ = 278347598496. Its totient is φ = 41407080660.

The previous prime is 124221242141. The next prime is 124221242177. The reversal of 124221242142 is 241242122421.

124221242142 is a `hidden beast` number, since 1 + 2 + 422 + 1 + 24 + 214 + 2 = 666.

124221242142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124221242141) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 383398734 + ... + 383399057.

Almost surely, 2^124221242142 is an apocalyptic number.

124221242142 is an abundant number, since it is smaller than the sum of its proper divisors (154126356354).

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

124221242142 is an equidigital number, since it uses as much as digits as its factorization.

124221242142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766797805 (or 766797796 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

Adding to 124221242142 its reverse (241242122421), we get a palindrome (365463364563).

The spelling of 124221242142 in words is "one hundred twenty-four billion, two hundred twenty-one million, two hundred forty-two thousand, one hundred forty-two".