100730912 has 48 divisors (see below), whose sum is σ = 202963320. Its totient is φ = 49201152.

The previous prime is 100730849. The next prime is 100730921. The reversal of 100730912 is 219037001.

It can be written as a sum of positive squares in 4 ways, for example, as 10784656 + 89946256 = 3284^2 + 9484^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321668 + ... + 321980.

Almost surely, 2^100730912 is an apocalyptic number.

It is an amenable number.

100730912 is an abundant number, since it is smaller than the sum of its proper divisors (102232408).

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

100730912 is a wasteful number, since it uses less digits than its factorization.

100730912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 100730912 is about 10036.4790638949. The cubic root of 100730912 is about 465.2870036131.

Adding to 100730912 its reverse (219037001), we get a palindrome (319767913).

The spelling of 100730912 in words is "one hundred million, seven hundred thirty thousand, nine hundred twelve".