122200643 has 2 divisors, whose sum is σ = 122200644. Its totient is φ = 122200642.

The previous prime is 122200627. The next prime is 122200691. The reversal of 122200643 is 346002221.

It is a weak prime.

It is an emirp because it is prime and its reverse (346002221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122200643 - 2⁴ = 122200627 is a prime.

It is a super-2 number, since 2×122200643² = 29865994299226898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122200943) 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, 61100321 + 61100322.

It is an arithmetic number, because the mean of its divisors is an integer number (61100322).

Almost surely, 2^122200643 is an apocalyptic number.

122200643 is a deficient number, since it is larger than the sum of its proper divisors (1).

122200643 is an equidigital number, since it uses as much as digits as its factorization.

122200643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 122200643 is about 11054.4399677234. The cubic root of 122200643 is about 496.2393093269.

Adding to 122200643 its reverse (346002221), we get a palindrome (468202864).

The spelling of 122200643 in words is "one hundred twenty-two million, two hundred thousand, six hundred forty-three".