122194493 has 2 divisors, whose sum is σ = 122194494. Its totient is φ = 122194492.

The previous prime is 122194451. The next prime is 122194511. The reversal of 122194493 is 394491221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98942809 + 23251684 = 9947^2 + 4822^2 .

It is an emirp because it is prime and its reverse (394491221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122194493 - 2¹⁴ = 122178109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122194403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61097246 + 61097247.

It is an arithmetic number, because the mean of its divisors is an integer number (61097247).

Almost surely, 2^122194493 is an apocalyptic number.

It is an amenable number.

122194493 is a deficient number, since it is larger than the sum of its proper divisors (1).

122194493 is an equidigital number, since it uses as much as digits as its factorization.

122194493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 122194493 is about 11054.1617954506. The cubic root of 122194493 is about 496.2309844308.

The spelling of 122194493 in words is "one hundred twenty-two million, one hundred ninety-four thousand, four hundred ninety-three".