122553256061 has 2 divisors, whose sum is σ = 122553256062. Its totient is φ = 122553256060.

The previous prime is 122553255991. The next prime is 122553256079. The reversal of 122553256061 is 160652355221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121769592025 + 783664036 = 348955^2 + 27994^2 .

It is a cyclic number.

It is not a de Polignac number, because 122553256061 - 2¹⁰ = 122553255037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122553246061) 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, 61276628030 + 61276628031.

It is an arithmetic number, because the mean of its divisors is an integer number (61276628031).

Almost surely, 2^122553256061 is an apocalyptic number.

It is an amenable number.

122553256061 is a deficient number, since it is larger than the sum of its proper divisors (1).

122553256061 is an equidigital number, since it uses as much as digits as its factorization.

122553256061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 122553256061 in words is "one hundred twenty-two billion, five hundred fifty-three million, two hundred fifty-six thousand, sixty-one".