122043689357 has 2 divisors, whose sum is σ = 122043689358. Its totient is φ = 122043689356.

The previous prime is 122043689351. The next prime is 122043689371. The reversal of 122043689357 is 753986340221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96500937316 + 25542752041 = 310646^2 + 159821^2 .

It is a cyclic number.

It is not a de Polignac number, because 122043689357 - 2¹⁸ = 122043427213 is a prime.

It is a super-2 number, since 2×122043689357² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122043689351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61021844678 + 61021844679.

It is an arithmetic number, because the mean of its divisors is an integer number (61021844679).

It is a 1-persistent number, because it is pandigital, but 2⋅122043689357 = 244087378714 is not.

Almost surely, 2^122043689357 is an apocalyptic number.

It is an amenable number.

122043689357 is a deficient number, since it is larger than the sum of its proper divisors (1).

122043689357 is an equidigital number, since it uses as much as digits as its factorization.

122043689357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 122043689357 in words is "one hundred twenty-two billion, forty-three million, six hundred eighty-nine thousand, three hundred fifty-seven".