10080721 has 12 divisors (see below), whose sum is σ = 11778480. Its totient is φ = 8602440.

The previous prime is 10080691. The next prime is 10080727. The reversal of 10080721 is 12708001.

10080721 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10080721 - 2⁵ = 10080689 is a prime.

10080721 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (10080727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20286 + ... + 20776.

It is an arithmetic number, because the mean of its divisors is an integer number (981540).

Almost surely, 2^10080721 is an apocalyptic number.

It is an amenable number.

10080721 is a deficient number, since it is larger than the sum of its proper divisors (1697759).

10080721 is an equidigital number, since it uses as much as digits as its factorization.

10080721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 10080721 is about 3175.0151180742. The cubic root of 10080721 is about 216.0216099207.

Adding to 10080721 its reverse (12708001), we get a palindrome (22788722).

It can be divided in two parts, 10080 and 721, that added together give a palindrome (10801).

The spelling of 10080721 in words is "ten million, eighty thousand, seven hundred twenty-one".