124235130235242 has 48 divisors (see below), whose sum is σ = 269083958381280. Its totient is φ = 38221880089536.

The previous prime is 124235130235193. The next prime is 124235130235267. The reversal of 124235130235242 is 242532031532421.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 124235130235242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2082384 + ... + 15899892.

It is an arithmetic number, because the mean of its divisors is an integer number (5605915799610).

Almost surely, 2^{124235130235242} is an apocalyptic number.

124235130235242 is an abundant number, since it is smaller than the sum of its proper divisors (144848828146038).

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

124235130235242 is a wasteful number, since it uses less digits than its factorization.

124235130235242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13826407 (or 13826394 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 124235130235242 its reverse (242532031532421), we get a palindrome (366767161767663).

The spelling of 124235130235242 in words is "one hundred twenty-four trillion, two hundred thirty-five billion, one hundred thirty million, two hundred thirty-five thousand, two hundred forty-two".