7116121 has 2 divisors, whose sum is σ = 7116122. Its totient is φ = 7116120.

The previous prime is 7116119. The next prime is 7116133. The reversal of 7116121 is 1216117.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4347225 + 2768896 = 2085^2 + 1664^2 .

It is a cyclic number.

It is not a de Polignac number, because 7116121 - 2¹ = 7116119 is a prime.

Together with 7116119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7176121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3558060 + 3558061.

It is an arithmetic number, because the mean of its divisors is an integer number (3558061).

Almost surely, 2^7116121 is an apocalyptic number.

It is an amenable number.

7116121 is a deficient number, since it is larger than the sum of its proper divisors (1).

7116121 is an equidigital number, since it uses as much as digits as its factorization.

7116121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84, while the sum is 19.

The square root of 7116121 is about 2667.6058554442. The cubic root of 7116121 is about 192.3450915447.

The spelling of 7116121 in words is "seven million, one hundred sixteen thousand, one hundred twenty-one".