122364305549 has 2 divisors, whose sum is σ = 122364305550. Its totient is φ = 122364305548.

The previous prime is 122364305521. The next prime is 122364305611. The reversal of 122364305549 is 945503463221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114570064324 + 7794241225 = 338482^2 + 88285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122364305549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122364305509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61182152774 + 61182152775.

It is an arithmetic number, because the mean of its divisors is an integer number (61182152775).

Almost surely, 2^122364305549 is an apocalyptic number.

It is an amenable number.

122364305549 is a deficient number, since it is larger than the sum of its proper divisors (1).

122364305549 is an equidigital number, since it uses as much as digits as its factorization.

122364305549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 122364305549 in words is "one hundred twenty-two billion, three hundred sixty-four million, three hundred five thousand, five hundred forty-nine".