100500009 has 8 divisors (see below), whose sum is σ = 134046912. Its totient is φ = 66976560.

The previous prime is 100500007. The next prime is 100500011. The reversal of 100500009 is 900005001.

It is an interprime number because it is at equal distance from previous prime (100500007) and next prime (100500011).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100500009 - 2¹ = 100500007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100500007) 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, 11404 + ... + 18194.

It is an arithmetic number, because the mean of its divisors is an integer number (16755864).

Almost surely, 2^100500009 is an apocalyptic number.

It is an amenable number.

100500009 is a deficient number, since it is larger than the sum of its proper divisors (33546903).

100500009 is an equidigital number, since it uses as much as digits as its factorization.

100500009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11727.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 100500009 is about 10024.9692767609. The cubic root of 100500009 is about 464.9312096181.

The spelling of 100500009 in words is "one hundred million, five hundred thousand, nine".