68110129 has 2 divisors, whose sum is σ = 68110130. Its totient is φ = 68110128.

The previous prime is 68110127. The next prime is 68110181. The reversal of 68110129 is 92101186.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54420129 + 13690000 = 7377^2 + 3700^2 .

It is a cyclic number.

It is not a de Polignac number, because 68110129 - 2¹ = 68110127 is a prime.

Together with 68110127, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 68110097 and 68110106.

It is not a weakly prime, because it can be changed into another prime (68110121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34055064 + 34055065.

It is an arithmetic number, because the mean of its divisors is an integer number (34055065).

Almost surely, 2^68110129 is an apocalyptic number.

It is an amenable number.

68110129 is a deficient number, since it is larger than the sum of its proper divisors (1).

68110129 is an equidigital number, since it uses as much as digits as its factorization.

68110129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 68110129 is about 8252.8861012376. The cubic root of 68110129 is about 408.3857386949.

The spelling of 68110129 in words is "sixty-eight million, one hundred ten thousand, one hundred twenty-nine".