104123042 has 4 divisors (see below), whose sum is σ = 156184566. Its totient is φ = 52061520.

The previous prime is 104123029. The next prime is 104123051. The reversal of 104123042 is 240321401.

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., 86136961 + 17986081 = 9281^2 + 4241^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 104123042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26030759 + ... + 26030762.

Almost surely, 2^104123042 is an apocalyptic number.

104123042 is a deficient number, since it is larger than the sum of its proper divisors (52061524).

104123042 is an equidigital number, since it uses as much as digits as its factorization.

104123042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52061523.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 104123042 is about 10204.0698743198. The cubic root of 104123042 is about 470.4523214561.

Adding to 104123042 its reverse (240321401), we get a palindrome (344444443).

The spelling of 104123042 in words is "one hundred four million, one hundred twenty-three thousand, forty-two".