122553255709 has 2 divisors, whose sum is σ = 122553255710. Its totient is φ = 122553255708.

The previous prime is 122553255691. The next prime is 122553255763. The reversal of 122553255709 is 907552355221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96672490084 + 25880765625 = 310922^2 + 160875^2 .

It is a cyclic number.

It is not a de Polignac number, because 122553255709 - 2¹³ = 122553247517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122553855709) 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, 61276627854 + 61276627855.

It is an arithmetic number, because the mean of its divisors is an integer number (61276627855).

Almost surely, 2^122553255709 is an apocalyptic number.

It is an amenable number.

122553255709 is a deficient number, since it is larger than the sum of its proper divisors (1).

122553255709 is an equidigital number, since it uses as much as digits as its factorization.

122553255709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945000, while the sum is 46.

The spelling of 122553255709 in words is "one hundred twenty-two billion, five hundred fifty-three million, two hundred fifty-five thousand, seven hundred nine".