106431172 has 12 divisors (see below), whose sum is σ = 186505900. Its totient is φ = 53143776.

The previous prime is 106431167. The next prime is 106431181. The reversal of 106431172 is 271134601.

It can be written as a sum of positive squares in 2 ways, for example, as 74891716 + 31539456 = 8654^2 + 5616^2 .

It is a super-2 number, since 2×106431172² = 22655188746587168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14547 + ... + 20602.

Almost surely, 2^106431172 is an apocalyptic number.

It is an amenable number.

106431172 is a deficient number, since it is larger than the sum of its proper divisors (80074728).

106431172 is a wasteful number, since it uses less digits than its factorization.

106431172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35910 (or 35908 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 106431172 is about 10316.5484538192. The cubic root of 106431172 is about 473.9031711865.

Adding to 106431172 its reverse (271134601), we get a palindrome (377565773).

The spelling of 106431172 in words is "one hundred six million, four hundred thirty-one thousand, one hundred seventy-two".