123122004100079 has 2 divisors, whose sum is σ = 123122004100080. Its totient is φ = 123122004100078.

The previous prime is 123122004099979. The next prime is 123122004100097. The reversal of 123122004100079 is 970001400221321.

Together with next prime (123122004100097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123122004100079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123122004300079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61561002050039 + 61561002050040.

It is an arithmetic number, because the mean of its divisors is an integer number (61561002050040).

Almost surely, 2^{123122004100079} is an apocalyptic number.

123122004100079 is a deficient number, since it is larger than the sum of its proper divisors (1).

123122004100079 is an equidigital number, since it uses as much as digits as its factorization.

123122004100079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 123122004100079 in words is "one hundred twenty-three trillion, one hundred twenty-two billion, four million, one hundred thousand, seventy-nine".