120654334172677 has 4 divisors (see below), whose sum is σ = 120654741896236. Its totient is φ = 120653926449120.

The previous prime is 120654334172639. The next prime is 120654334172689. The reversal of 120654334172677 is 776271433456021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78671826441796 + 41982507730881 = 8869714^2 + 6479391^2 .

It is a cyclic number.

It is not a de Polignac number, because 120654334172677 - 2⁷ = 120654334172549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120654334112677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203417574 + ... + 204009847.

It is an arithmetic number, because the mean of its divisors is an integer number (30163685474059).

Almost surely, 2^{120654334172677} is an apocalyptic number.

It is an amenable number.

120654334172677 is a deficient number, since it is larger than the sum of its proper divisors (407723559).

120654334172677 is an equidigital number, since it uses as much as digits as its factorization.

120654334172677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407723558.

The product of its (nonzero) digits is 35562240, while the sum is 58.

The spelling of 120654334172677 in words is "one hundred twenty trillion, six hundred fifty-four billion, three hundred thirty-four million, one hundred seventy-two thousand, six hundred seventy-seven".