210104243 has 8 divisors (see below), whose sum is σ = 215165808. Its totient is φ = 205083424.

The previous prime is 210104233. The next prime is 210104263. The reversal of 210104243 is 342401012.

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 210104243 - 2⁶ = 210104179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210104233) by changing a digit.

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, 380 + ... + 20502.

It is an arithmetic number, because the mean of its divisors is an integer number (26895726).

Almost surely, 2^210104243 is an apocalyptic number.

210104243 is a deficient number, since it is larger than the sum of its proper divisors (5061565).

210104243 is a wasteful number, since it uses less digits than its factorization.

210104243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20373.

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

The square root of 210104243 is about 14494.9730251560. The cubic root of 210104243 is about 594.4905301589.

Adding to 210104243 its reverse (342401012), we get a palindrome (552505255).

The spelling of 210104243 in words is "two hundred ten million, one hundred four thousand, two hundred forty-three".