100389171 has 16 divisors (see below), whose sum is σ = 135964160. Its totient is φ = 65875680.

The previous prime is 100389169. The next prime is 100389187. The reversal of 100389171 is 171983001.

It is not a de Polignac number, because 100389171 - 2¹ = 100389169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100389151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144936 + ... + 145626.

It is an arithmetic number, because the mean of its divisors is an integer number (8497760).

Almost surely, 2^100389171 is an apocalyptic number.

100389171 is a deficient number, since it is larger than the sum of its proper divisors (35574989).

100389171 is an equidigital number, since it uses as much as digits as its factorization.

100389171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 100389171 is about 10019.4396549907. The cubic root of 100389171 is about 464.7602278711.

The spelling of 100389171 in words is "one hundred million, three hundred eighty-nine thousand, one hundred seventy-one".