605560121 has 2 divisors, whose sum is σ = 605560122. Its totient is φ = 605560120.

The previous prime is 605560063. The next prime is 605560127. The reversal of 605560121 is 121065506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 585882025 + 19678096 = 24205^2 + 4436^2 .

It is a cyclic number.

It is not a de Polignac number, because 605560121 - 2⁶ = 605560057 is a prime.

It is not a weakly prime, because it can be changed into another prime (605560127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302780060 + 302780061.

It is an arithmetic number, because the mean of its divisors is an integer number (302780061).

Almost surely, 2^605560121 is an apocalyptic number.

It is an amenable number.

605560121 is a deficient number, since it is larger than the sum of its proper divisors (1).

605560121 is an equidigital number, since it uses as much as digits as its factorization.

605560121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 605560121 is about 24608.1311968219. The cubic root of 605560121 is about 846.0299852260.

The spelling of 605560121 in words is "six hundred five million, five hundred sixty thousand, one hundred twenty-one".