122247143 has 2 divisors, whose sum is σ = 122247144. Its totient is φ = 122247142.

The previous prime is 122247137. The next prime is 122247193. The reversal of 122247143 is 341742221.

It is a weak prime.

It is an emirp because it is prime and its reverse (341742221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122247143 - 2⁶ = 122247079 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 (122247193) 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, 61123571 + 61123572.

It is an arithmetic number, because the mean of its divisors is an integer number (61123572).

Almost surely, 2^122247143 is an apocalyptic number.

122247143 is a deficient number, since it is larger than the sum of its proper divisors (1).

122247143 is an equidigital number, since it uses as much as digits as its factorization.

122247143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 26.

The square root of 122247143 is about 11056.5429949872. The cubic root of 122247143 is about 496.3022446249.

Adding to 122247143 its reverse (341742221), we get a palindrome (463989364).

The spelling of 122247143 in words is "one hundred twenty-two million, two hundred forty-seven thousand, one hundred forty-three".