124245242113242 has 64 divisors (see below), whose sum is σ = 261657152064000. Its totient is φ = 39222108930240.

The previous prime is 124245242113231. The next prime is 124245242113259. The reversal of 124245242113242 is 242311242542421.

It is a self number, because there is not a number n which added to its sum of digits gives 124245242113242.

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 in 31 ways as a sum of consecutive naturals, for example, 7266220009 + ... + 7266237107.

It is an arithmetic number, because the mean of its divisors is an integer number (4088393001000).

Almost surely, 2^{124245242113242} is an apocalyptic number.

124245242113242 is an abundant number, since it is smaller than the sum of its proper divisors (137411909950758).

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

124245242113242 is a wasteful number, since it uses less digits than its factorization.

124245242113242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34891.

The product of its digits is 245760, while the sum is 39.

Adding to 124245242113242 its reverse (242311242542421), we get a palindrome (366556484655663).

The spelling of 124245242113242 in words is "one hundred twenty-four trillion, two hundred forty-five billion, two hundred forty-two million, one hundred thirteen thousand, two hundred forty-two".