60205121 has 2 divisors, whose sum is σ = 60205122. Its totient is φ = 60205120.

The previous prime is 60205043. The next prime is 60205127. The reversal of 60205121 is 12150206.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53129521 + 7075600 = 7289^2 + 2660^2 .

It is a cyclic number.

It is not a de Polignac number, because 60205121 - 2¹⁸ = 59942977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 60205121.

It is not a weakly prime, because it can be changed into another prime (60205127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30102560 + 30102561.

It is an arithmetic number, because the mean of its divisors is an integer number (30102561).

Almost surely, 2^60205121 is an apocalyptic number.

It is an amenable number.

60205121 is a deficient number, since it is larger than the sum of its proper divisors (1).

60205121 is an equidigital number, since it uses as much as digits as its factorization.

60205121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 60205121 is about 7759.1958990607. The cubic root of 60205121 is about 391.9323797876.

Adding to 60205121 its reverse (12150206), we get a palindrome (72355327).

The spelling of 60205121 in words is "sixty million, two hundred five thousand, one hundred twenty-one".