105039173 has 2 divisors, whose sum is σ = 105039174. Its totient is φ = 105039172.

The previous prime is 105039161. The next prime is 105039197. The reversal of 105039173 is 371930501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88774084 + 16265089 = 9422^2 + 4033^2 .

It is a cyclic number.

It is not a de Polignac number, because 105039173 - 2⁸ = 105038917 is a prime.

It is a super-2 number, since 2×105039173² = 22066455729047858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105039373) 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, 52519586 + 52519587.

It is an arithmetic number, because the mean of its divisors is an integer number (52519587).

Almost surely, 2^105039173 is an apocalyptic number.

It is an amenable number.

105039173 is a deficient number, since it is larger than the sum of its proper divisors (1).

105039173 is an equidigital number, since it uses as much as digits as its factorization.

105039173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 105039173 is about 10248.8620343919. The cubic root of 105039173 is about 471.8280593805.

Adding to 105039173 its reverse (371930501), we get a palindrome (476969674).

The spelling of 105039173 in words is "one hundred five million, thirty-nine thousand, one hundred seventy-three".