9120030 has 32 divisors (see below), whose sum is σ = 22096800. Its totient is φ = 2408832.

The previous prime is 9120017. The next prime is 9120073. The reversal of 9120030 is 300219.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 9119991 and 9120009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1876 + ... + 4664.

It is an arithmetic number, because the mean of its divisors is an integer number (690525).

Almost surely, 2^9120030 is an apocalyptic number.

9120030 is an abundant number, since it is smaller than the sum of its proper divisors (12976770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9120030 is a wasteful number, since it uses less digits than its factorization.

9120030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 9120030 is about 3019.9387411006. The cubic root of 9120030 is about 208.9290144528.

Adding to 9120030 its reverse (300219), we get a palindrome (9420249).

The spelling of 9120030 in words is "nine million, one hundred twenty thousand, thirty".