11054721 has 8 divisors (see below), whose sum is σ = 14765920. Its totient is φ = 7356672.

The previous prime is 11054711. The next prime is 11054723. The reversal of 11054721 is 12745011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11054721 - 2⁵ = 11054689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11054723) 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, 1120 + ... + 4833.

It is an arithmetic number, because the mean of its divisors is an integer number (1845740).

Almost surely, 2^11054721 is an apocalyptic number.

It is an amenable number.

11054721 is a deficient number, since it is larger than the sum of its proper divisors (3711199).

11054721 is an equidigital number, since it uses as much as digits as its factorization.

11054721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6575.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 11054721 is about 3324.8640573714. The cubic root of 11054721 is about 222.7661822952.

Adding to 11054721 its reverse (12745011), we get a palindrome (23799732).

The spelling of 11054721 in words is "eleven million, fifty-four thousand, seven hundred twenty-one".