122116601 has 2 divisors, whose sum is σ = 122116602. Its totient is φ = 122116600.

The previous prime is 122116543. The next prime is 122116619. The reversal of 122116601 is 106611221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68475625 + 53640976 = 8275^2 + 7324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122116601 is a prime.

It is not a weakly prime, because it can be changed into another prime (122116691) 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, 61058300 + 61058301.

It is an arithmetic number, because the mean of its divisors is an integer number (61058301).

Almost surely, 2^122116601 is an apocalyptic number.

It is an amenable number.

122116601 is a deficient number, since it is larger than the sum of its proper divisors (1).

122116601 is an equidigital number, since it uses as much as digits as its factorization.

122116601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 122116601 is about 11050.6380358783. The cubic root of 122116601 is about 496.1255223959.

Adding to 122116601 its reverse (106611221), we get a palindrome (228727822).

The spelling of 122116601 in words is "one hundred twenty-two million, one hundred sixteen thousand, six hundred one".