9128945 has 16 divisors (see below), whose sum is σ = 12777600. Its totient is φ = 6258672.

The previous prime is 9128929. The next prime is 9128957. The reversal of 9128945 is 5498219.

9128945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9128945 - 2⁴ = 9128929 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9128899 and 9128908.

It is an unprimeable number.

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, 947 + ... + 4376.

It is an arithmetic number, because the mean of its divisors is an integer number (798600).

Almost surely, 2^9128945 is an apocalyptic number.

It is an amenable number.

9128945 is a deficient number, since it is larger than the sum of its proper divisors (3648655).

9128945 is an equidigital number, since it uses as much as digits as its factorization.

9128945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5349 (or 5335 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 9128945 is about 3021.4144038844. The cubic root of 9128945 is about 208.9970696231.

The spelling of 9128945 in words is "nine million, one hundred twenty-eight thousand, nine hundred forty-five".