100172234 has 8 divisors (see below), whose sum is σ = 150311268. Its totient is φ = 50068480.

The previous prime is 100172203. The next prime is 100172249. The reversal of 100172234 is 432271001.

It can be written as a sum of positive squares in 2 ways, for example, as 100060009 + 112225 = 10003^2 + 335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74 + ... + 14154.

Almost surely, 2^100172234 is an apocalyptic number.

100172234 is a deficient number, since it is larger than the sum of its proper divisors (50139034).

100172234 is a wasteful number, since it uses less digits than its factorization.

100172234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17640.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 100172234 is about 10008.6079951210. The cubic root of 100172234 is about 464.4252103216.

The spelling of 100172234 in words is "one hundred million, one hundred seventy-two thousand, two hundred thirty-four".