142123420124 has 48 divisors (see below), whose sum is σ = 286717052160. Its totient is φ = 60381684480.

The previous prime is 142123420123. The next prime is 142123420147. The reversal of 142123420124 is 421024321241.

142123420124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142123420093 and 142123420102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142123420123) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 3563807 + ... + 3603465.

It is an arithmetic number, because the mean of its divisors is an integer number (5973271920).

Almost surely, 2^142123420124 is an apocalyptic number.

142123420124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142123420124 is an abundant number, since it is smaller than the sum of its proper divisors (144593632036).

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

142123420124 is a wasteful number, since it uses less digits than its factorization.

142123420124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40778 (or 40776 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 142123420124 its reverse (421024321241), we get a palindrome (563147741365).

The spelling of 142123420124 in words is "one hundred forty-two billion, one hundred twenty-three million, four hundred twenty thousand, one hundred twenty-four".