9121265 has 8 divisors (see below), whose sum is σ = 11589480. Its totient is φ = 6867712.

The previous prime is 9121249. The next prime is 9121279. The reversal of 9121265 is 5621219.

9121265 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 734449 + 8386816 = 857^2 + 2896^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9121265 - 2⁴ = 9121249 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 53570 + ... + 53739.

It is an arithmetic number, because the mean of its divisors is an integer number (1448685).

Almost surely, 2^9121265 is an apocalyptic number.

It is an amenable number.

9121265 is a deficient number, since it is larger than the sum of its proper divisors (2468215).

9121265 is a wasteful number, since it uses less digits than its factorization.

9121265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107331.

The product of its digits is 1080, while the sum is 26.

The square root of 9121265 is about 3020.1432085251. The cubic root of 9121265 is about 208.9384448197.

The spelling of 9121265 in words is "nine million, one hundred twenty-one thousand, two hundred sixty-five".