122745373081 has 2 divisors, whose sum is σ = 122745373082. Its totient is φ = 122745373080.

The previous prime is 122745373061. The next prime is 122745373103. The reversal of 122745373081 is 180373547221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122328560025 + 416813056 = 349755^2 + 20416^2 .

It is a cyclic number.

It is not a de Polignac number, because 122745373081 - 2¹⁵ = 122745340313 is a prime.

It is a super-2 number, since 2×122745373081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122745373061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61372686540 + 61372686541.

It is an arithmetic number, because the mean of its divisors is an integer number (61372686541).

Almost surely, 2^122745373081 is an apocalyptic number.

It is an amenable number.

122745373081 is a deficient number, since it is larger than the sum of its proper divisors (1).

122745373081 is an equidigital number, since it uses as much as digits as its factorization.

122745373081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 122745373081 in words is "one hundred twenty-two billion, seven hundred forty-five million, three hundred seventy-three thousand, eighty-one".