105940173 has 4 divisors (see below), whose sum is σ = 141253568. Its totient is φ = 70626780.

The previous prime is 105940157. The next prime is 105940193. The reversal of 105940173 is 371049501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 105940173 - 2⁴ = 105940157 is a prime.

It is a super-2 number, since 2×105940173² = 22446640510539858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105940173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105940123) 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 in 3 ways as a sum of consecutive naturals, for example, 17656693 + ... + 17656698.

It is an arithmetic number, because the mean of its divisors is an integer number (35313392).

Almost surely, 2^105940173 is an apocalyptic number.

It is an amenable number.

105940173 is a deficient number, since it is larger than the sum of its proper divisors (35313395).

105940173 is an equidigital number, since it uses as much as digits as its factorization.

105940173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35313394.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 105940173 is about 10292.7242749430. The cubic root of 105940173 is about 473.1732950438.

Adding to 105940173 its reverse (371049501), we get a palindrome (476989674).

The spelling of 105940173 in words is "one hundred five million, nine hundred forty thousand, one hundred seventy-three".