4121540541 has 12 divisors (see below), whose sum is σ = 5983255200. Its totient is φ = 2733885000.

The previous prime is 4121540531. The next prime is 4121540543. The reversal of 4121540541 is 1450451214.

4121540541 is a `hidden beast` number, since 4 + 1 + 215 + 405 + 41 = 666.

4121540541 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4121540541 - 2⁷ = 4121540413 is a prime.

It is a super-2 number, since 2×4121540541² = 33974192862213145362, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121540543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1148835 + ... + 1152416.

It is an arithmetic number, because the mean of its divisors is an integer number (498604600).

Almost surely, 2^4121540541 is an apocalyptic number.

It is an amenable number.

4121540541 is a deficient number, since it is larger than the sum of its proper divisors (1861714659).

4121540541 is a wasteful number, since it uses less digits than its factorization.

4121540541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301456 (or 2301453 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 4121540541 is about 64199.2253925232. The cubic root of 4121540541 is about 1603.3187028987.

Adding to 4121540541 its reverse (1450451214), we get a palindrome (5571991755).

The spelling of 4121540541 in words is "four billion, one hundred twenty-one million, five hundred forty thousand, five hundred forty-one".