9121564 has 12 divisors (see below), whose sum is σ = 16477888. Its totient is φ = 4413600.

The previous prime is 9121561. The next prime is 9121601. The reversal of 9121564 is 4651219.

9121564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9121561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36657 + ... + 36904.

Almost surely, 2^9121564 is an apocalyptic number.

It is an amenable number.

9121564 is a deficient number, since it is larger than the sum of its proper divisors (7356324).

9121564 is a wasteful number, since it uses less digits than its factorization.

9121564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73596 (or 73594 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 9121564 is about 3020.1927090833. The cubic root of 9121564 is about 208.9407278331.

The spelling of 9121564 in words is "nine million, one hundred twenty-one thousand, five hundred sixty-four".