4121540113 has 2 divisors, whose sum is σ = 4121540114. Its totient is φ = 4121540112.

The previous prime is 4121540099. The next prime is 4121540141. The reversal of 4121540113 is 3110451214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2975920704 + 1145619409 = 54552^2 + 33847^2 .

It is a cyclic number.

It is not a de Polignac number, because 4121540113 - 2²¹ = 4119442961 is a prime.

It is not a weakly prime, because it can be changed into another prime (4121540413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060770056 + 2060770057.

It is an arithmetic number, because the mean of its divisors is an integer number (2060770057).

Almost surely, 2^4121540113 is an apocalyptic number.

It is an amenable number.

4121540113 is a deficient number, since it is larger than the sum of its proper divisors (1).

4121540113 is an equidigital number, since it uses as much as digits as its factorization.

4121540113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 4121540113 is about 64199.2220591496. Note that the first 3 decimals coincide. The cubic root of 4121540113 is about 1603.3186474000.

Adding to 4121540113 its reverse (3110451214), we get a palindrome (7231991327).

The spelling of 4121540113 in words is "four billion, one hundred twenty-one million, five hundred forty thousand, one hundred thirteen".