10821080 has 16 divisors (see below), whose sum is σ = 24347520. Its totient is φ = 4328416.

The previous prime is 10821073. The next prime is 10821091. The reversal of 10821080 is 8012801.

10821080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135224 + ... + 135303.

It is an arithmetic number, because the mean of its divisors is an integer number (1521720).

Almost surely, 2^10821080 is an apocalyptic number.

10821080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10821080 is an abundant number, since it is smaller than the sum of its proper divisors (13526440).

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

10821080 is a wasteful number, since it uses less digits than its factorization.

10821080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270538 (or 270534 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 10821080 is about 3289.5410014165. The cubic root of 10821080 is about 221.1856101261.

Adding to 10821080 its reverse (8012801), we get a palindrome (18833881).

The spelling of 10821080 in words is "ten million, eight hundred twenty-one thousand, eighty".