104042125242 has 96 divisors (see below), whose sum is σ = 255145101120. Its totient is φ = 31513173120.

The previous prime is 104042125241. The next prime is 104042125301. The reversal of 104042125242 is 242521240401.

It is a happy number.

104042125242 is a `hidden beast` number, since 1 + 0 + 404 + 2 + 1 + 252 + 4 + 2 = 666.

104042125242 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 not an unprimeable number, because it can be changed into a prime (104042125241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18349984 + ... + 18355652.

It is an arithmetic number, because the mean of its divisors is an integer number (2657761470).

Almost surely, 2^104042125242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104042125242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127572550560).

104042125242 is an abundant number, since it is smaller than the sum of its proper divisors (151102975878).

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

104042125242 is a wasteful number, since it uses less digits than its factorization.

104042125242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9130 (or 9118 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 104042125242 its reverse (242521240401), we get a palindrome (346563365643).

The spelling of 104042125242 in words is "one hundred four billion, forty-two million, one hundred twenty-five thousand, two hundred forty-two".