8310121 has 4 divisors (see below), whose sum is σ = 8317312. Its totient is φ = 8302932.

The previous prime is 8310097. The next prime is 8310131. The reversal of 8310121 is 1210138.

8310121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1210138 = 2 ⋅605069.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8310121 is a prime.

It is a super-2 number, since 2×8310121² = 138116222069282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8310095 and 8310104.

It is not an unprimeable number, because it can be changed into a prime (8310131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1425 + ... + 4318.

It is an arithmetic number, because the mean of its divisors is an integer number (2079328).

Almost surely, 2^8310121 is an apocalyptic number.

It is an amenable number.

8310121 is a deficient number, since it is larger than the sum of its proper divisors (7191).

8310121 is a wasteful number, since it uses less digits than its factorization.

8310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7190.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 8310121 is about 2882.7280482210. The cubic root of 8310121 is about 202.5516486658.

Adding to 8310121 its reverse (1210138), we get a palindrome (9520259).

The spelling of 8310121 in words is "eight million, three hundred ten thousand, one hundred twenty-one".