9121028 has 12 divisors (see below), whose sum is σ = 18242112. Its totient is φ = 3909000.

The previous prime is 9121019. The next prime is 9121033. The reversal of 9121028 is 8201219.

9121028 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 9120994 and 9121012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162848 + ... + 162903.

It is an arithmetic number, because the mean of its divisors is an integer number (1520176).

Almost surely, 2^9121028 is an apocalyptic number.

It is an amenable number.

9121028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9121028 is a wasteful number, since it uses less digits than its factorization.

9121028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325762 (or 325760 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 9121028 is about 3020.1039717202. The cubic root of 9121028 is about 208.9366351716.

The spelling of 9121028 in words is "nine million, one hundred twenty-one thousand, twenty-eight".