100130443 has 4 divisors (see below), whose sum is σ = 114434800. Its totient is φ = 85826088.

The previous prime is 100130441. The next prime is 100130447. The reversal of 100130443 is 344031001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100130443 - 2¹ = 100130441 is a prime.

It is a super-2 number, since 2×100130443² = 20052211230752498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100130441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7152168 + ... + 7152181.

It is an arithmetic number, because the mean of its divisors is an integer number (28608700).

Almost surely, 2^100130443 is an apocalyptic number.

100130443 is a deficient number, since it is larger than the sum of its proper divisors (14304357).

100130443 is an equidigital number, since it uses as much as digits as its factorization.

100130443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14304356.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 100130443 is about 10006.5200244640. The cubic root of 100130443 is about 464.3606165951.

Adding to 100130443 its reverse (344031001), we get a palindrome (444161444).

The spelling of 100130443 in words is "one hundred million, one hundred thirty thousand, four hundred forty-three".