120979945567 has 8 divisors (see below), whose sum is σ = 130288800320. Its totient is φ = 111671477280.

The previous prime is 120979945553. The next prime is 120979945571. The reversal of 120979945567 is 765549979021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120979945567 - 2¹¹ = 120979943519 is a prime.

It is a super-2 number, since 2×120979945567² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120979945499 and 120979945508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120979945517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137034 + ... + 1238872.

It is an arithmetic number, because the mean of its divisors is an integer number (16286100040).

Almost surely, 2^120979945567 is an apocalyptic number.

120979945567 is a deficient number, since it is larger than the sum of its proper divisors (9308854753).

120979945567 is a wasteful number, since it uses less digits than its factorization.

120979945567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193233.

The product of its (nonzero) digits is 42865200, while the sum is 64.

The spelling of 120979945567 in words is "one hundred twenty billion, nine hundred seventy-nine million, nine hundred forty-five thousand, five hundred sixty-seven".