2772065121 has 8 divisors (see below), whose sum is σ = 4224099264. Its totient is φ = 1584037200.

The previous prime is 2772065119. The next prime is 2772065129. The reversal of 2772065121 is 1215602772.

2772065121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2772065121 - 2¹ = 2772065119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2772065129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66001530 + ... + 66001571.

It is an arithmetic number, because the mean of its divisors is an integer number (528012408).

Almost surely, 2^2772065121 is an apocalyptic number.

2772065121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2772065121 is a deficient number, since it is larger than the sum of its proper divisors (1452034143).

2772065121 is a wasteful number, since it uses less digits than its factorization.

2772065121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132003111.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 2772065121 is about 52650.4047562789. The cubic root of 2772065121 is about 1404.7567992150.

Adding to 2772065121 its reverse (1215602772), we get a palindrome (3987667893).

The spelling of 2772065121 in words is "two billion, seven hundred seventy-two million, sixty-five thousand, one hundred twenty-one".