3055020121 has 2 divisors, whose sum is σ = 3055020122. Its totient is φ = 3055020120.

The previous prime is 3055020119. The next prime is 3055020131. The reversal of 3055020121 is 1210205503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2635384896 + 419635225 = 51336^2 + 20485^2 .

It is a cyclic number.

It is not a de Polignac number, because 3055020121 - 2¹ = 3055020119 is a prime.

Together with 3055020119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3055020131) 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, 1527510060 + 1527510061.

It is an arithmetic number, because the mean of its divisors is an integer number (1527510061).

Almost surely, 2^3055020121 is an apocalyptic number.

It is an amenable number.

3055020121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3055020121 is an equidigital number, since it uses as much as digits as its factorization.

3055020121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 3055020121 is about 55272.2364392830. The cubic root of 3055020121 is about 1451.0131834337.

Adding to 3055020121 its reverse (1210205503), we get a palindrome (4265225624).

The spelling of 3055020121 in words is "three billion, fifty-five million, twenty thousand, one hundred twenty-one".