104042 has 4 divisors (see below), whose sum is σ = 156066. Its totient is φ = 52020.

The previous prime is 104033. The next prime is 104047. The reversal of 104042 is 240401.

104042 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 89401 + 14641 = 299^2 + 121^2 .

It is not an unprimeable number, because it can be changed into a prime (104047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26009 + ... + 26012.

2¹⁰⁴⁰⁴² is an apocalyptic number.

104042 is a deficient number, since it is larger than the sum of its proper divisors (52024).

104042 is an equidigital number, since it uses as much as digits as its factorization.

104042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52023.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 104042 is about 322.5554215945. Note that the first 3 decimals coincide. The cubic root of 104042 is about 47.0330234189.

Adding to 104042 its reverse (240401), we get a palindrome (344443).

The spelling of 104042 in words is "one hundred four thousand, forty-two", and thus it is an iban number.