104431135 has 8 divisors (see below), whose sum is σ = 125444880. Its totient is φ = 83459904.

The previous prime is 104431111. The next prime is 104431193. The reversal of 104431135 is 531134401.

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

It is a cyclic number.

It is not a de Polignac number, because 104431135 - 2¹³ = 104422943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4945 + ... + 15274.

It is an arithmetic number, because the mean of its divisors is an integer number (15680610).

Almost surely, 2^104431135 is an apocalyptic number.

104431135 is a deficient number, since it is larger than the sum of its proper divisors (21013745).

104431135 is a wasteful number, since it uses less digits than its factorization.

104431135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21257.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 104431135 is about 10219.1552977729. The cubic root of 104431135 is about 470.9158766882.

Adding to 104431135 its reverse (531134401), we get a palindrome (635565536).

The spelling of 104431135 in words is "one hundred four million, four hundred thirty-one thousand, one hundred thirty-five".