122194907 has 2 divisors, whose sum is σ = 122194908. Its totient is φ = 122194906.

The previous prime is 122194889. The next prime is 122194913. The reversal of 122194907 is 709491221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122194907 - 2⁶ = 122194843 is a prime.

It is not a weakly prime, because it can be changed into another prime (122194957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61097453 + 61097454.

It is an arithmetic number, because the mean of its divisors is an integer number (61097454).

Almost surely, 2^122194907 is an apocalyptic number.

122194907 is a deficient number, since it is larger than the sum of its proper divisors (1).

122194907 is an equidigital number, since it uses as much as digits as its factorization.

122194907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 122194907 is about 11054.1805214136. The cubic root of 122194907 is about 496.2315448472.

The spelling of 122194907 in words is "one hundred twenty-two million, one hundred ninety-four thousand, nine hundred seven".