120577701049 has 9 divisors (see below), whose sum is σ = 130571274639. Its totient is φ = 111298326360.

The previous prime is 120577701019. The next prime is 120577701053. The reversal of 120577701049 is 940107775021.

The square root of 120577701049 is 347243.

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., 17836938025 + 102740763024 = 133555^2 + 320532^2 .

It is not a de Polignac number, because 120577701049 - 2¹¹ = 120577699001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120577700996 and 120577701014.

It is not an unprimeable number, because it can be changed into a prime (120577701019) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4500804 + ... + 4527514.

Almost surely, 2^120577701049 is an apocalyptic number.

120577701049 is the 347243-rd square number.

120577701049 is the 173622-nd centered octagonal number.

It is an amenable number.

120577701049 is a deficient number, since it is larger than the sum of its proper divisors (9993573590).

120577701049 is an frugal number, since it uses more digits than its factorization.

120577701049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53448 (or 26724 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 43.

The spelling of 120577701049 in words is "one hundred twenty billion, five hundred seventy-seven million, seven hundred one thousand, forty-nine".