65068121 has 2 divisors, whose sum is σ = 65068122. Its totient is φ = 65068120.

The previous prime is 65068109. The next prime is 65068123. The reversal of 65068121 is 12186056.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62980096 + 2088025 = 7936^2 + 1445^2 .

It is a cyclic number.

It is not a de Polignac number, because 65068121 - 2¹⁸ = 64805977 is a prime.

Together with 65068123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65068123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32534060 + 32534061.

It is an arithmetic number, because the mean of its divisors is an integer number (32534061).

Almost surely, 2^65068121 is an apocalyptic number.

It is an amenable number.

65068121 is a deficient number, since it is larger than the sum of its proper divisors (1).

65068121 is an equidigital number, since it uses as much as digits as its factorization.

65068121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 65068121 is about 8066.4813270719. The cubic root of 65068121 is about 402.2129862347.

The spelling of 65068121 in words is "sixty-five million, sixty-eight thousand, one hundred twenty-one".