11053121 has 4 divisors (see below), whose sum is σ = 11351892. Its totient is φ = 10754352.

The previous prime is 11053073. The next prime is 11053129. The reversal of 11053121 is 12135011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4494400 + 6558721 = 2120^2 + 2561^2 .

It is a cyclic number.

It is not a de Polignac number, because 11053121 - 2¹⁸ = 10790977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11053096 and 11053105.

It is not an unprimeable number, because it can be changed into a prime (11053129) 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, 149330 + ... + 149403.

It is an arithmetic number, because the mean of its divisors is an integer number (2837973).

Almost surely, 2^11053121 is an apocalyptic number.

It is an amenable number.

11053121 is a deficient number, since it is larger than the sum of its proper divisors (298771).

11053121 is an equidigital number, since it uses as much as digits as its factorization.

11053121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298770.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 11053121 is about 3324.6234373234. The cubic root of 11053121 is about 222.7554344561.

Adding to 11053121 its reverse (12135011), we get a palindrome (23188132).

The spelling of 11053121 in words is "eleven million, fifty-three thousand, one hundred twenty-one".