122081017 has 2 divisors, whose sum is σ = 122081018. Its totient is φ = 122081016.

The previous prime is 122081009. The next prime is 122081081. The reversal of 122081017 is 710180221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88661056 + 33419961 = 9416^2 + 5781^2 .

It is an emirp because it is prime and its reverse (710180221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122081017 - 2³ = 122081009 is a prime.

It is not a weakly prime, because it can be changed into another prime (122081717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61040508 + 61040509.

It is an arithmetic number, because the mean of its divisors is an integer number (61040509).

Almost surely, 2^122081017 is an apocalyptic number.

It is an amenable number.

122081017 is a deficient number, since it is larger than the sum of its proper divisors (1).

122081017 is an equidigital number, since it uses as much as digits as its factorization.

122081017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 122081017 is about 11049.0278757907. The cubic root of 122081017 is about 496.0773284417.

It can be divided in two parts, 12208 and 1017, that added together give a square (13225 = 115²).

The spelling of 122081017 in words is "one hundred twenty-two million, eighty-one thousand, seventeen".