122206543 has 2 divisors, whose sum is σ = 122206544. Its totient is φ = 122206542.

The previous prime is 122206541. The next prime is 122206547. The reversal of 122206543 is 345602221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122206543 - 2¹ = 122206541 is a prime.

Together with 122206541, 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 (122206541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61103271 + 61103272.

It is an arithmetic number, because the mean of its divisors is an integer number (61103272).

Almost surely, 2^122206543 is an apocalyptic number.

122206543 is a deficient number, since it is larger than the sum of its proper divisors (1).

122206543 is an equidigital number, since it uses as much as digits as its factorization.

122206543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 122206543 is about 11054.7068256015. The cubic root of 122206543 is about 496.2472955500.

Adding to 122206543 its reverse (345602221), we get a palindrome (467808764).

The spelling of 122206543 in words is "one hundred twenty-two million, two hundred six thousand, five hundred forty-three".