301230121 has 2 divisors, whose sum is σ = 301230122. Its totient is φ = 301230120.

The previous prime is 301230113. The next prime is 301230143. The reversal of 301230121 is 121032103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286828096 + 14402025 = 16936^2 + 3795^2 .

It is a cyclic number.

It is not a de Polignac number, because 301230121 - 2³ = 301230113 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (301230421) 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, 150615060 + 150615061.

It is an arithmetic number, because the mean of its divisors is an integer number (150615061).

Almost surely, 2^301230121 is an apocalyptic number.

It is an amenable number.

301230121 is a deficient number, since it is larger than the sum of its proper divisors (1).

301230121 is an equidigital number, since it uses as much as digits as its factorization.

301230121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 301230121 is about 17355.9822827750. The cubic root of 301230121 is about 670.3466840253.

Adding to 301230121 its reverse (121032103), we get a palindrome (422262224).

It can be divided in two parts, 3012 and 30121, that added together give a palindrome (33133).

The spelling of 301230121 in words is "three hundred one million, two hundred thirty thousand, one hundred twenty-one".