210000103 has 4 divisors (see below), whose sum is σ = 221052760. Its totient is φ = 198947448.

The previous prime is 210000067. The next prime is 210000113. The reversal of 210000103 is 301000012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210000103 - 2²⁵ = 176445671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210000113) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5526300 + ... + 5526337.

It is an arithmetic number, because the mean of its divisors is an integer number (55263190).

Almost surely, 2^210000103 is an apocalyptic number.

210000103 is a deficient number, since it is larger than the sum of its proper divisors (11052657).

210000103 is a wasteful number, since it uses less digits than its factorization.

210000103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11052656.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 210000103 is about 14491.3803000266. The cubic root of 210000103 is about 594.3922924547.

Adding to 210000103 its reverse (301000012), we get a palindrome (511000115).

Subtracting 210000103 from its reverse (301000012), we obtain a palindrome (90999909).

The spelling of 210000103 in words is "two hundred ten million, one hundred three", and thus it is an aban number.