10309121 has 8 divisors (see below), whose sum is σ = 10775424. Its totient is φ = 9853200.

The previous prime is 10309099. The next prime is 10309139. The reversal of 10309121 is 12190301.

It is a happy number.

10309121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10309121 - 2²² = 6114817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10309121.

It is not an unprimeable number, because it can be changed into a prime (10309141) 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, 530 + ... + 4571.

It is an arithmetic number, because the mean of its divisors is an integer number (1346928).

Almost surely, 2^10309121 is an apocalyptic number.

It is an amenable number.

10309121 is a deficient number, since it is larger than the sum of its proper divisors (466303).

10309121 is an equidigital number, since it uses as much as digits as its factorization.

10309121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 10309121 is about 3210.7819919764. The cubic root of 10309121 is about 217.6409163007.

Adding to 10309121 its reverse (12190301), we get a palindrome (22499422).

The spelling of 10309121 in words is "ten million, three hundred nine thousand, one hundred twenty-one".