100124173 has 8 divisors (see below), whose sum is σ = 103001976. Its totient is φ = 97267200.

The previous prime is 100124161. The next prime is 100124177. The reversal of 100124173 is 371421001.

It can be written as a sum of positive squares in 4 ways, for example, as 15539364 + 84584809 = 3942^2 + 9197^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 100124173 - 2²¹ = 98027021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100124173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100124177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4815 + ... + 14947.

It is an arithmetic number, because the mean of its divisors is an integer number (12875247).

Almost surely, 2^100124173 is an apocalyptic number.

It is an amenable number.

100124173 is a deficient number, since it is larger than the sum of its proper divisors (2877803).

100124173 is a wasteful number, since it uses less digits than its factorization.

100124173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10415.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 100124173 is about 10006.2067238290. The cubic root of 100124173 is about 464.3509238991.

Adding to 100124173 its reverse (371421001), we get a palindrome (471545174).

The spelling of 100124173 in words is "one hundred million, one hundred twenty-four thousand, one hundred seventy-three".