122400552434189 has 2 divisors, whose sum is σ = 122400552434190. Its totient is φ = 122400552434188.

The previous prime is 122400552434129. The next prime is 122400552434191. The reversal of 122400552434189 is 981434255004221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84516158133289 + 37884394300900 = 9193267^2 + 6155030^2 .

It is a cyclic number.

It is not a de Polignac number, because 122400552434189 - 2⁸ = 122400552433933 is a prime.

Together with 122400552434191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122400552434129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61200276217094 + 61200276217095.

It is an arithmetic number, because the mean of its divisors is an integer number (61200276217095).

Almost surely, 2^{122400552434189} is an apocalyptic number.

It is an amenable number.

122400552434189 is a deficient number, since it is larger than the sum of its proper divisors (1).

122400552434189 is an equidigital number, since it uses as much as digits as its factorization.

122400552434189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 122400552434189 in words is "one hundred twenty-two trillion, four hundred billion, five hundred fifty-two million, four hundred thirty-four thousand, one hundred eighty-nine".