3040121057 has 2 divisors, whose sum is σ = 3040121058. Its totient is φ = 3040121056.

The previous prime is 3040121017. The next prime is 3040121081. The reversal of 3040121057 is 7501210403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2950553761 + 89567296 = 54319^2 + 9464^2 .

It is an emirp because it is prime and its reverse (7501210403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3040121057 - 2²⁶ = 2973012193 is a prime.

It is not a weakly prime, because it can be changed into another prime (3040121017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1520060528 + 1520060529.

It is an arithmetic number, because the mean of its divisors is an integer number (1520060529).

Almost surely, 2^3040121057 is an apocalyptic number.

It is an amenable number.

3040121057 is a deficient number, since it is larger than the sum of its proper divisors (1).

3040121057 is an equidigital number, since it uses as much as digits as its factorization.

3040121057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 3040121057 is about 55137.2927971622. The cubic root of 3040121057 is about 1448.6505172662.

The spelling of 3040121057 in words is "three billion, forty million, one hundred twenty-one thousand, fifty-seven".