122749105273 has 2 divisors, whose sum is σ = 122749105274. Its totient is φ = 122749105272.

The previous prime is 122749105261. The next prime is 122749105291. The reversal of 122749105273 is 372501947221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114804413584 + 7944691689 = 338828^2 + 89133^2 .

It is a cyclic number.

It is not a de Polignac number, because 122749105273 - 2²¹ = 122747008121 is a prime.

It is not a weakly prime, because it can be changed into another prime (122749100273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61374552636 + 61374552637.

It is an arithmetic number, because the mean of its divisors is an integer number (61374552637).

Almost surely, 2^122749105273 is an apocalyptic number.

It is an amenable number.

122749105273 is a deficient number, since it is larger than the sum of its proper divisors (1).

122749105273 is an equidigital number, since it uses as much as digits as its factorization.

122749105273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 122749105273 in words is "one hundred twenty-two billion, seven hundred forty-nine million, one hundred five thousand, two hundred seventy-three".