600601121 has 2 divisors, whose sum is σ = 600601122. Its totient is φ = 600601120.

The previous prime is 600601117. The next prime is 600601123. The reversal of 600601121 is 121106006.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 453221521 + 147379600 = 21289^2 + 12140^2 .

It is a cyclic number.

It is not a de Polignac number, because 600601121 - 2² = 600601117 is a prime.

Together with 600601123, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 600601121.

It is not a weakly prime, because it can be changed into another prime (600601123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300300560 + 300300561.

It is an arithmetic number, because the mean of its divisors is an integer number (300300561).

Almost surely, 2^600601121 is an apocalyptic number.

It is an amenable number.

600601121 is a deficient number, since it is larger than the sum of its proper divisors (1).

600601121 is an equidigital number, since it uses as much as digits as its factorization.

600601121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 600601121 is about 24507.1646870869. The cubic root of 600601121 is about 843.7142407817.

Adding to 600601121 its reverse (121106006), we get a palindrome (721707127).

The spelling of 600601121 in words is "six hundred million, six hundred one thousand, one hundred twenty-one".