10808121 has 4 divisors (see below), whose sum is σ = 14410832. Its totient is φ = 7205412.

The previous prime is 10808101. The next prime is 10808123. The reversal of 10808121 is 12180801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10808121 - 2⁵ = 10808089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10808123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1801351 + ... + 1801356.

It is an arithmetic number, because the mean of its divisors is an integer number (3602708).

Almost surely, 2^10808121 is an apocalyptic number.

It is an amenable number.

10808121 is a deficient number, since it is larger than the sum of its proper divisors (3602711).

10808121 is an equidigital number, since it uses as much as digits as its factorization.

10808121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602710.

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 10808121 is about 3287.5706836508. The cubic root of 10808121 is about 221.0972797777.

Adding to 10808121 its reverse (12180801), we get a palindrome (22988922).

The spelling of 10808121 in words is "ten million, eight hundred eight thousand, one hundred twenty-one".