4122120413 has 2 divisors, whose sum is σ = 4122120414. Its totient is φ = 4122120412.

The previous prime is 4122120391. The next prime is 4122120451. The reversal of 4122120413 is 3140212214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4111117924 + 11002489 = 64118^2 + 3317^2 .

It is a cyclic number.

It is not a de Polignac number, because 4122120413 - 2¹⁶ = 4122054877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4122120493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061060206 + 2061060207.

It is an arithmetic number, because the mean of its divisors is an integer number (2061060207).

Almost surely, 2^4122120413 is an apocalyptic number.

It is an amenable number.

4122120413 is a deficient number, since it is larger than the sum of its proper divisors (1).

4122120413 is an equidigital number, since it uses as much as digits as its factorization.

4122120413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4122120413 is about 64203.7414252472. The cubic root of 4122120413 is about 1603.3938912912.

Adding to 4122120413 its reverse (3140212214), we get a palindrome (7262332627).

The spelling of 4122120413 in words is "four billion, one hundred twenty-two million, one hundred twenty thousand, four hundred thirteen".