122555231530549 has 2 divisors, whose sum is σ = 122555231530550. Its totient is φ = 122555231530548.

The previous prime is 122555231530513. The next prime is 122555231530601. The reversal of 122555231530549 is 945035132555221.

It is an a-pointer prime, because the next prime (122555231530601) can be obtained adding 122555231530549 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80182747888324 + 42372483642225 = 8954482^2 + 6509415^2 .

It is a cyclic number.

It is not a de Polignac number, because 122555231530549 - 2⁷ = 122555231530421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122555231530496 and 122555231530505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122555231500549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61277615765274 + 61277615765275.

It is an arithmetic number, because the mean of its divisors is an integer number (61277615765275).

Almost surely, 2^{122555231530549} is an apocalyptic number.

It is an amenable number.

122555231530549 is a deficient number, since it is larger than the sum of its proper divisors (1).

122555231530549 is an equidigital number, since it uses as much as digits as its factorization.

122555231530549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100000, while the sum is 52.

The spelling of 122555231530549 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred thirty-one million, five hundred thirty thousand, five hundred forty-nine".