105055172 has 12 divisors (see below), whose sum is σ = 194661180. Its totient is φ = 49437696.

The previous prime is 105055147. The next prime is 105055177. The reversal of 105055172 is 271550501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30647296 + 74407876 = 5536^2 + 8626^2 .

It is a super-2 number, since 2×105055172² = 22073178327899168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105055177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772397 + ... + 772532.

It is an arithmetic number, because the mean of its divisors is an integer number (16221765).

Almost surely, 2^105055172 is an apocalyptic number.

It is an amenable number.

105055172 is a deficient number, since it is larger than the sum of its proper divisors (89606008).

105055172 is a wasteful number, since it uses less digits than its factorization.

105055172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544950 (or 1544948 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 105055172 is about 10249.6425303520. The cubic root of 105055172 is about 471.8520135989.

The spelling of 105055172 in words is "one hundred five million, fifty-five thousand, one hundred seventy-two".