100130992 has 80 divisors (see below), whose sum is σ = 220485888. Its totient is φ = 43729920.

The previous prime is 100130981. The next prime is 100130993. The reversal of 100130992 is 299031001.

It is not an unprimeable number, because it can be changed into a prime (100130993) 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, 341598 + ... + 341890.

Almost surely, 2^100130992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100130992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110242944).

100130992 is an abundant number, since it is smaller than the sum of its proper divisors (120354896).

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

100130992 is a wasteful number, since it uses less digits than its factorization.

100130992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 100130992 is about 10006.5474565406. The cubic root of 100130992 is about 464.3614652665.

Adding to 100130992 its reverse (299031001), we get a palindrome (399161993).

The spelling of 100130992 in words is "one hundred million, one hundred thirty thousand, nine hundred ninety-two".