11021248 has 56 divisors (see below), whose sum is σ = 25412192. Its totient is φ = 4644864.

The previous prime is 11021183. The next prime is 11021249. The reversal of 11021248 is 84212011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32536 + ... + 32872.

Almost surely, 2^11021248 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 11021248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12706096).

11021248 is an abundant number, since it is smaller than the sum of its proper divisors (14390944).

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

11021248 is an equidigital number, since it uses as much as digits as its factorization.

11021248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 11021248 is about 3319.8265014907. The cubic root of 11021248 is about 222.5411143145.

Adding to 11021248 its reverse (84212011), we get a palindrome (95233259).

The spelling of 11021248 in words is "eleven million, twenty-one thousand, two hundred forty-eight".