9121248 has 168 divisors, whose sum is σ = 29747088. Its totient is φ = 2737152.

The previous prime is 9121241. The next prime is 9121249. The reversal of 9121248 is 8421219.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9121241) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 396565 + ... + 396587.

It is an arithmetic number, because the mean of its divisors is an integer number (177066).

Almost surely, 2^9121248 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 9121248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14873544).

9121248 is an abundant number, since it is smaller than the sum of its proper divisors (20625840).

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

9121248 is a wasteful number, since it uses less digits than its factorization.

9121248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 45 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 9121248 is about 3020.1403940877. The cubic root of 9121248 is about 208.9383150147.

The spelling of 9121248 in words is "nine million, one hundred twenty-one thousand, two hundred forty-eight".