100130928 has 40 divisors (see below), whose sum is σ = 259733376. Its totient is φ = 33240000.

The previous prime is 100130887. The next prime is 100130929. The reversal of 100130928 is 829031001.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 100130898 and 100130907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100130929) 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, 7893 + ... + 16203.

Almost surely, 2^100130928 is an apocalyptic number.

It is an amenable number.

100130928 is an abundant number, since it is smaller than the sum of its proper divisors (159602448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100130928 is a wasteful number, since it uses less digits than its factorization.

100130928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8573 (or 8567 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 100130928 is about 10006.5442586339. The cubic root of 100130928 is about 464.3613663323.

Adding to 100130928 its reverse (829031001), we get a palindrome (929161929).

The spelling of 100130928 in words is "one hundred million, one hundred thirty thousand, nine hundred twenty-eight".