100130988 has 24 divisors (see below), whose sum is σ = 245936320. Its totient is φ = 31620240.

The previous prime is 100130981. The next prime is 100130993. The reversal of 100130988 is 889031001.

It is a super-2 number, since 2×100130988² = 20052429515712288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100130981) 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, 219358 + ... + 219813.

Almost surely, 2^100130988 is an apocalyptic number.

It is an amenable number.

100130988 is an abundant number, since it is smaller than the sum of its proper divisors (145805332).

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

100130988 is a wasteful number, since it uses less digits than its factorization.

100130988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439197 (or 439195 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 100130988 is about 10006.5472566715. The cubic root of 100130988 is about 464.3614590831.

Adding to 100130988 its reverse (889031001), we get a palindrome (989161989).

The spelling of 100130988 in words is "one hundred million, one hundred thirty thousand, nine hundred eighty-eight".