105172036 has 6 divisors (see below), whose sum is σ = 184051070. Its totient is φ = 52586016.

The previous prime is 105172003. The next prime is 105172037. The reversal of 105172036 is 630271501.

It can be written as a sum of positive squares in only one way, i.e., 103917636 + 1254400 = 10194^2 + 1120^2 .

It is a super-2 number, since 2×105172036² = 22122314312770592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105172036.

It is not an unprimeable number, because it can be changed into a prime (105172037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13146501 + ... + 13146508.

Almost surely, 2^105172036 is an apocalyptic number.

It is an amenable number.

105172036 is a deficient number, since it is larger than the sum of its proper divisors (78879034).

105172036 is a wasteful number, since it uses less digits than its factorization.

105172036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26293013 (or 26293011 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 105172036 is about 10255.3418275550. The cubic root of 105172036 is about 472.0269124270.

The spelling of 105172036 in words is "one hundred five million, one hundred seventy-two thousand, thirty-six".