122242193 has 2 divisors, whose sum is σ = 122242194. Its totient is φ = 122242192.

The previous prime is 122242187. The next prime is 122242259. The reversal of 122242193 is 391242221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115627009 + 6615184 = 10753^2 + 2572^2 .

It is an emirp because it is prime and its reverse (391242221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122242193 - 2⁴ = 122242177 is a prime.

It is not a weakly prime, because it can be changed into another prime (122242093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61121096 + 61121097.

It is an arithmetic number, because the mean of its divisors is an integer number (61121097).

Almost surely, 2^122242193 is an apocalyptic number.

It is an amenable number.

122242193 is a deficient number, since it is larger than the sum of its proper divisors (1).

122242193 is an equidigital number, since it uses as much as digits as its factorization.

122242193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 122242193 is about 11056.3191433677. The cubic root of 122242193 is about 496.2955458200.

The spelling of 122242193 in words is "one hundred twenty-two million, two hundred forty-two thousand, one hundred ninety-three".