7108121 has 2 divisors, whose sum is σ = 7108122. Its totient is φ = 7108120.

The previous prime is 7108061. The next prime is 7108141. The reversal of 7108121 is 1218017.

It is an a-pointer prime, because the next prime (7108141) can be obtained adding 7108121 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5456896 + 1651225 = 2336^2 + 1285^2 .

It is an emirp because it is prime and its reverse (1218017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7108121 - 2¹⁰ = 7107097 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7108093 and 7108102.

It is not a weakly prime, because it can be changed into another prime (7108141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3554060 + 3554061.

It is an arithmetic number, because the mean of its divisors is an integer number (3554061).

Almost surely, 2^7108121 is an apocalyptic number.

It is an amenable number.

7108121 is a deficient number, since it is larger than the sum of its proper divisors (1).

7108121 is an equidigital number, since it uses as much as digits as its factorization.

7108121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 7108121 is about 2666.1059618852. The cubic root of 7108121 is about 192.2729858886.

It can be divided in two parts, 7108 and 121, that multiplied together give a palindrome (860068).

The spelling of 7108121 in words is "seven million, one hundred eight thousand, one hundred twenty-one".