104131205 has 8 divisors (see below), whose sum is σ = 132307992. Its totient is φ = 78404608.

The previous prime is 104131187. The next prime is 104131211. The reversal of 104131205 is 502131401.

It can be written as a sum of positive squares in 4 ways, for example, as 51394561 + 52736644 = 7169^2 + 7262^2 .

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 104131205 - 2¹⁰ = 104130181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612452 + ... + 612621.

It is an arithmetic number, because the mean of its divisors is an integer number (16538499).

Almost surely, 2^104131205 is an apocalyptic number.

It is an amenable number.

104131205 is a deficient number, since it is larger than the sum of its proper divisors (28176787).

104131205 is a wasteful number, since it uses less digits than its factorization.

104131205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225095.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 104131205 is about 10204.4698539415. The cubic root of 104131205 is about 470.4646152509.

Adding to 104131205 its reverse (502131401), we get a palindrome (606262606).

The spelling of 104131205 in words is "one hundred four million, one hundred thirty-one thousand, two hundred five".