30109129 has 8 divisors (see below), whose sum is σ = 32467680. Its totient is φ = 27828000.

The previous prime is 30109127. The next prime is 30109133. The reversal of 30109129 is 92190103.

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

It is a cyclic number.

It is not a de Polignac number, because 30109129 - 2¹ = 30109127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30109127) 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, 18547 + ... + 20104.

It is an arithmetic number, because the mean of its divisors is an integer number (4058460).

Almost surely, 2^30109129 is an apocalyptic number.

It is an amenable number.

30109129 is a deficient number, since it is larger than the sum of its proper divisors (2358551).

30109129 is a wasteful number, since it uses less digits than its factorization.

30109129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38711.

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

The square root of 30109129 is about 5487.1786010663. The cubic root of 30109129 is about 311.0995604224.

The spelling of 30109129 in words is "thirty million, one hundred nine thousand, one hundred twenty-nine".