120579784516 has 27 divisors (see below), whose sum is σ = 218578407229. Its totient is φ = 58201207568.

The previous prime is 120579784489. The next prime is 120579784529. The reversal of 120579784516 is 615487975021.

The square root of 120579784516 is 347246.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 63229114116 + 57350670400 = 251454^2 + 239480^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20137275 + ... + 20143261.

Almost surely, 2^120579784516 is an apocalyptic number.

120579784516 is the 347246-th square number.

It is an amenable number.

120579784516 is a deficient number, since it is larger than the sum of its proper divisors (97998622713).

120579784516 is an frugal number, since it uses more digits than its factorization.

120579784516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12036 (or 6018 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 55.

The spelling of 120579784516 in words is "one hundred twenty billion, five hundred seventy-nine million, seven hundred eighty-four thousand, five hundred sixteen".