8103121 has 8 divisors (see below), whose sum is σ = 9008384. Its totient is φ = 7238160.

The previous prime is 8103097. The next prime is 8103127. The reversal of 8103121 is 1213018.

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 8103121 - 2⁹ = 8102609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8103095 and 8103104.

It is not an unprimeable number, because it can be changed into a prime (8103127) 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 7 ways as a sum of consecutive naturals, for example, 9651 + ... + 10456.

It is an arithmetic number, because the mean of its divisors is an integer number (1126048).

Almost surely, 2^8103121 is an apocalyptic number.

It is an amenable number.

8103121 is a deficient number, since it is larger than the sum of its proper divisors (905263).

8103121 is a wasteful number, since it uses less digits than its factorization.

8103121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20151.

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

The square root of 8103121 is about 2846.5981451550. The cubic root of 8103121 is about 200.8556755426.

Adding to 8103121 its reverse (1213018), we get a palindrome (9316139).

The spelling of 8103121 in words is "eight million, one hundred three thousand, one hundred twenty-one".