104120042 has 8 divisors (see below), whose sum is σ = 168193956. Its totient is φ = 48055392.

The previous prime is 104120039. The next prime is 104120047. The reversal of 104120042 is 240021401.

It can be written as a sum of positive squares in 2 ways, for example, as 87628321 + 16491721 = 9361^2 + 4061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 104119999 and 104120026.

It is not an unprimeable number, because it can be changed into a prime (104120047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2002283 + ... + 2002334.

Almost surely, 2^104120042 is an apocalyptic number.

104120042 is a deficient number, since it is larger than the sum of its proper divisors (64073914).

104120042 is a wasteful number, since it uses less digits than its factorization.

104120042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004632.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 104120042 is about 10203.9228730915. The cubic root of 104120042 is about 470.4478031782.

Adding to 104120042 its reverse (240021401), we get a palindrome (344141443).

The spelling of 104120042 in words is "one hundred four million, one hundred twenty thousand, forty-two".