606030121 has 4 divisors (see below), whose sum is σ = 606738132. Its totient is φ = 605322112.

The previous prime is 606030109. The next prime is 606030167. The reversal of 606030121 is 121030606.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 506250000 + 99780121 = 22500^2 + 9989^2 .

It is a cyclic number.

It is not a de Polignac number, because 606030121 - 2²¹ = 603932969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606030221) 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 in 3 ways as a sum of consecutive naturals, for example, 352720 + ... + 354433.

It is an arithmetic number, because the mean of its divisors is an integer number (151684533).

Almost surely, 2^606030121 is an apocalyptic number.

It is an amenable number.

606030121 is a deficient number, since it is larger than the sum of its proper divisors (708011).

606030121 is an equidigital number, since it uses as much as digits as its factorization.

606030121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708010.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 606030121 is about 24617.6790335726. The cubic root of 606030121 is about 846.2488081252.

Adding to 606030121 its reverse (121030606), we get a palindrome (727060727).

The spelling of 606030121 in words is "six hundred six million, thirty thousand, one hundred twenty-one".