100030609 has 12 divisors (see below), whose sum is σ = 116810100. Its totient is φ = 85410528.

The previous prime is 100030603. The next prime is 100030627. The reversal of 100030609 is 906030001.

It can be written as a sum of positive squares in 2 ways, for example, as 3441025 + 96589584 = 1855^2 + 9828^2 .

It is not a de Polignac number, because 100030609 - 2⁷ = 100030481 is a prime.

It is a super-2 number, since 2×100030609² = 20012245473821762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100030603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9387 + ... + 16975.

It is an arithmetic number, because the mean of its divisors is an integer number (9734175).

Almost surely, 2^100030609 is an apocalyptic number.

It is an amenable number.

100030609 is a deficient number, since it is larger than the sum of its proper divisors (16779491).

100030609 is an equidigital number, since it uses as much as digits as its factorization.

100030609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7872 (or 7865 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 100030609 is about 10001.5303329041. The cubic root of 100030609 is about 464.2062366610.

The spelling of 100030609 in words is "one hundred million, thirty thousand, six hundred nine".