122766829 has 2 divisors, whose sum is σ = 122766830. Its totient is φ = 122766828.

The previous prime is 122766827. The next prime is 122766841. The reversal of 122766829 is 928667221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114982729 + 7784100 = 10723^2 + 2790^2 .

It is a cyclic number.

It is not a de Polignac number, because 122766829 - 2¹ = 122766827 is a prime.

Together with 122766827, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122766823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61383414 + 61383415.

It is an arithmetic number, because the mean of its divisors is an integer number (61383415).

Almost surely, 2^122766829 is an apocalyptic number.

It is an amenable number.

122766829 is a deficient number, since it is larger than the sum of its proper divisors (1).

122766829 is an equidigital number, since it uses as much as digits as its factorization.

122766829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 122766829 is about 11080.0193591889. The cubic root of 122766829 is about 497.0045288086.

The spelling of 122766829 in words is "one hundred twenty-two million, seven hundred sixty-six thousand, eight hundred twenty-nine".