9121875 has 48 divisors (see below), whose sum is σ = 17498880. Its totient is φ = 4140000.

The previous prime is 9121859. The next prime is 9121897. The reversal of 9121875 is 5781219.

It is not a de Polignac number, because 9121875 - 2⁴ = 9121859 is a prime.

9121875 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65556 + ... + 65694.

It is an arithmetic number, because the mean of its divisors is an integer number (364560).

Almost surely, 2^9121875 is an apocalyptic number.

9121875 is a deficient number, since it is larger than the sum of its proper divisors (8377005).

9121875 is an equidigital number, since it uses as much as digits as its factorization.

9121875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 154 counting only the distinct ones).

The product of its digits is 5040, while the sum is 33.

The square root of 9121875 is about 3020.2441954253. The cubic root of 9121875 is about 208.9431024196.

The spelling of 9121875 in words is "nine million, one hundred twenty-one thousand, eight hundred seventy-five".