3040121081 has 2 divisors, whose sum is σ = 3040121082. Its totient is φ = 3040121080.

The previous prime is 3040121057. The next prime is 3040121093. The reversal of 3040121081 is 1801210403.

3040121081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2971231081 + 68890000 = 54509^2 + 8300^2 .

It is an emirp because it is prime and its reverse (1801210403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3040121081 - 2⁶ = 3040121017 is a prime.

It is a super-2 number, since 2×3040121081² = 18484672374281217122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3040021081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1520060540 + 1520060541.

It is an arithmetic number, because the mean of its divisors is an integer number (1520060541).

Almost surely, 2^3040121081 is an apocalyptic number.

It is an amenable number.

3040121081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3040121081 is an equidigital number, since it uses as much as digits as its factorization.

3040121081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 3040121081 is about 55137.2930148008. The cubic root of 3040121081 is about 1448.6505210783.

Adding to 3040121081 its reverse (1801210403), we get a palindrome (4841331484).

The spelling of 3040121081 in words is "three billion, forty million, one hundred twenty-one thousand, eighty-one".