1042403105 has 4 divisors (see below), whose sum is σ = 1250883732. Its totient is φ = 833922480.

The previous prime is 1042403081. The next prime is 1042403113. The reversal of 1042403105 is 5013042401.

1042403105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5013042401 = 71 ⋅70606231.

It can be written as a sum of positive squares in 2 ways, for example, as 233967616 + 808435489 = 15296^2 + 28433^2 .

It is not a de Polignac number, because 1042403105 - 2²⁶ = 975294241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104240306 + ... + 104240315.

It is an arithmetic number, because the mean of its divisors is an integer number (312720933).

Almost surely, 2^1042403105 is an apocalyptic number.

It is an amenable number.

1042403105 is a deficient number, since it is larger than the sum of its proper divisors (208480627).

1042403105 is an equidigital number, since it uses as much as digits as its factorization.

1042403105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208480626.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1042403105 is about 32286.2680562495. The cubic root of 1042403105 is about 1013.9391652117.

Adding to 1042403105 its reverse (5013042401), we get a palindrome (6055445506).

The spelling of 1042403105 in words is "one billion, forty-two million, four hundred three thousand, one hundred five".