122067709 has 2 divisors, whose sum is σ = 122067710. Its totient is φ = 122067708.

The previous prime is 122067707. The next prime is 122067713. The reversal of 122067709 is 907760221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78375609 + 43692100 = 8853^2 + 6610^2 .

It is a cyclic number.

It is not a de Polignac number, because 122067709 - 2¹ = 122067707 is a prime.

Together with 122067707, 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 (122067707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61033854 + 61033855.

It is an arithmetic number, because the mean of its divisors is an integer number (61033855).

Almost surely, 2^122067709 is an apocalyptic number.

It is an amenable number.

122067709 is a deficient number, since it is larger than the sum of its proper divisors (1).

122067709 is an equidigital number, since it uses as much as digits as its factorization.

122067709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 122067709 is about 11048.4256344513. The cubic root of 122067709 is about 496.0593020602.

The spelling of 122067709 in words is "one hundred twenty-two million, sixty-seven thousand, seven hundred nine".