100126173 has 16 divisors (see below), whose sum is σ = 153514496. Its totient is φ = 56862000.

The previous prime is 100126171. The next prime is 100126189. The reversal of 100126173 is 371621001.

It is not a de Polignac number, because 100126173 - 2¹ = 100126171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100126171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11203 + ... + 18048.

It is an arithmetic number, because the mean of its divisors is an integer number (9594656).

Almost surely, 2^100126173 is an apocalyptic number.

It is an amenable number.

100126173 is a deficient number, since it is larger than the sum of its proper divisors (53388323).

100126173 is a wasteful number, since it uses less digits than its factorization.

100126173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29424.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 100126173 is about 10006.3066613012. The cubic root of 100126173 is about 464.3540157121.

Adding to 100126173 its reverse (371621001), we get a palindrome (471747174).

The spelling of 100126173 in words is "one hundred million, one hundred twenty-six thousand, one hundred seventy-three".