30112129 has 16 divisors (see below), whose sum is σ = 32762880. Its totient is φ = 27593280.

The previous prime is 30112123. The next prime is 30112133. The reversal of 30112129 is 92121103.

It is a cyclic number.

It is not a de Polignac number, because 30112129 - 2⁵ = 30112097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30112123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111807 + ... + 112075.

It is an arithmetic number, because the mean of its divisors is an integer number (2047680).

Almost surely, 2^30112129 is an apocalyptic number.

It is an amenable number.

30112129 is a deficient number, since it is larger than the sum of its proper divisors (2650751).

30112129 is a wasteful number, since it uses less digits than its factorization.

30112129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 30112129 is about 5487.4519587874. The cubic root of 30112129 is about 311.1098924792.

The spelling of 30112129 in words is "thirty million, one hundred twelve thousand, one hundred twenty-nine".