120178879728329 has 2 divisors, whose sum is σ = 120178879728330. Its totient is φ = 120178879728328.

The previous prime is 120178879728293. The next prime is 120178879728379. The reversal of 120178879728329 is 923827978871021.

Together with previous prime (120178879728293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86357990410000 + 33820889318329 = 9292900^2 + 5815573^2 .

It is a cyclic number.

It is not a de Polignac number, because 120178879728329 - 2⁸ = 120178879728073 is a prime.

It is not a weakly prime, because it can be changed into another prime (120178879728379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60089439864164 + 60089439864165.

It is an arithmetic number, because the mean of its divisors is an integer number (60089439864165).

Almost surely, 2^{120178879728329} is an apocalyptic number.

It is an amenable number.

120178879728329 is a deficient number, since it is larger than the sum of its proper divisors (1).

120178879728329 is an equidigital number, since it uses as much as digits as its factorization.

120178879728329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 341397504, while the sum is 74.

The spelling of 120178879728329 in words is "one hundred twenty trillion, one hundred seventy-eight billion, eight hundred seventy-nine million, seven hundred twenty-eight thousand, three hundred twenty-nine".