301242121 has 2 divisors, whose sum is σ = 301242122. Its totient is φ = 301242120.

The previous prime is 301242113. The next prime is 301242163. The reversal of 301242121 is 121242103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256352121 + 44890000 = 16011^2 + 6700^2 .

It is a cyclic number.

It is not a de Polignac number, because 301242121 - 2³ = 301242113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 301242095 and 301242104.

It is not a weakly prime, because it can be changed into another prime (301272121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150621060 + 150621061.

It is an arithmetic number, because the mean of its divisors is an integer number (150621061).

Almost surely, 2^301242121 is an apocalyptic number.

It is an amenable number.

301242121 is a deficient number, since it is larger than the sum of its proper divisors (1).

301242121 is an equidigital number, since it uses as much as digits as its factorization.

301242121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 301242121 is about 17356.3279814597. The cubic root of 301242121 is about 670.3555853633.

Adding to 301242121 its reverse (121242103), we get a palindrome (422484224).

The spelling of 301242121 in words is "three hundred one million, two hundred forty-two thousand, one hundred twenty-one".