105172003 has 2 divisors, whose sum is σ = 105172004. Its totient is φ = 105172002.

The previous prime is 105171949. The next prime is 105172037. The reversal of 105172003 is 300271501.

It is a strong prime.

It is an emirp because it is prime and its reverse (300271501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105172003 - 2⁹ = 105171491 is a prime.

It is a super-2 number, since 2×105172003² = 22122300430064018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105172073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52586001 + 52586002.

It is an arithmetic number, because the mean of its divisors is an integer number (52586002).

Almost surely, 2^105172003 is an apocalyptic number.

105172003 is a deficient number, since it is larger than the sum of its proper divisors (1).

105172003 is an equidigital number, since it uses as much as digits as its factorization.

105172003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 105172003 is about 10255.3402186373. The cubic root of 105172003 is about 472.0268630574.

The spelling of 105172003 in words is "one hundred five million, one hundred seventy-two thousand, three".