122206787 has 2 divisors, whose sum is σ = 122206788. Its totient is φ = 122206786.

The previous prime is 122206771. The next prime is 122206789. The reversal of 122206787 is 787602221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122206787 - 2⁴ = 122206771 is a prime.

Together with 122206789, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122206789) 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, 61103393 + 61103394.

It is an arithmetic number, because the mean of its divisors is an integer number (61103394).

Almost surely, 2^122206787 is an apocalyptic number.

122206787 is a deficient number, since it is larger than the sum of its proper divisors (1).

122206787 is an equidigital number, since it uses as much as digits as its factorization.

122206787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 122206787 is about 11054.7178616191. The cubic root of 122206787 is about 496.2476258222.

The spelling of 122206787 in words is "one hundred twenty-two million, two hundred six thousand, seven hundred eighty-seven".