9121504 has 48 divisors (see below), whose sum is σ = 21022848. Its totient is φ = 3814272.

The previous prime is 9121493. The next prime is 9121523. The reversal of 9121504 is 4051219.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9159 + ... + 10105.

It is an arithmetic number, because the mean of its divisors is an integer number (437976).

Almost surely, 2^9121504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9121504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10511424).

9121504 is an abundant number, since it is smaller than the sum of its proper divisors (11901344).

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

9121504 is a wasteful number, since it uses less digits than its factorization.

9121504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 999 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 9121504 is about 3020.1827759260. The cubic root of 9121504 is about 208.9402697074.

The spelling of 9121504 in words is "nine million, one hundred twenty-one thousand, five hundred four".