30120227 has 4 divisors (see below), whose sum is σ = 30142680. Its totient is φ = 30097776.

The previous prime is 30120221. The next prime is 30120239. The reversal of 30120227 is 72202103.

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 30120227 - 2¹⁰ = 30119203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30120221) 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 3 ways as a sum of consecutive naturals, for example, 9077 + ... + 11942.

It is an arithmetic number, because the mean of its divisors is an integer number (7535670).

Almost surely, 2^30120227 is an apocalyptic number.

30120227 is a deficient number, since it is larger than the sum of its proper divisors (22453).

30120227 is a wasteful number, since it uses less digits than its factorization.

30120227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22452.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 30120227 is about 5488.1897744156. The cubic root of 30120227 is about 311.1377787184.

The spelling of 30120227 in words is "thirty million, one hundred twenty thousand, two hundred twenty-seven".