4120304661 has 24 divisors (see below), whose sum is σ = 6531505344. Its totient is φ = 2482191360.

The previous prime is 4120304653. The next prime is 4120304689. The reversal of 4120304661 is 1664030214.

It is not a de Polignac number, because 4120304661 - 2³ = 4120304653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120304621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108076 + ... + 141141.

It is an arithmetic number, because the mean of its divisors is an integer number (272146056).

Almost surely, 2^4120304661 is an apocalyptic number.

It is an amenable number.

4120304661 is a deficient number, since it is larger than the sum of its proper divisors (2411200683).

4120304661 is a wasteful number, since it uses less digits than its factorization.

4120304661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249401 (or 249398 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4120304661 is about 64189.5993210738. The cubic root of 4120304661 is about 1603.1584304965.

Adding to 4120304661 its reverse (1664030214), we get a palindrome (5784334875).

The spelling of 4120304661 in words is "four billion, one hundred twenty million, three hundred four thousand, six hundred sixty-one".