230121121 has 2 divisors, whose sum is σ = 230121122. Its totient is φ = 230121120.

The previous prime is 230121109. The next prime is 230121137. The reversal of 230121121 is 121121032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193349025 + 36772096 = 13905^2 + 6064^2 .

It is a cyclic number.

It is not a de Polignac number, because 230121121 - 2¹¹ = 230119073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230121191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115060560 + 115060561.

It is an arithmetic number, because the mean of its divisors is an integer number (115060561).

Almost surely, 2^230121121 is an apocalyptic number.

It is an amenable number.

230121121 is a deficient number, since it is larger than the sum of its proper divisors (1).

230121121 is an equidigital number, since it uses as much as digits as its factorization.

230121121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 230121121 is about 15169.7436036342. The cubic root of 230121121 is about 612.8000992817.

Adding to 230121121 its reverse (121121032), we get a palindrome (351242153).

The spelling of 230121121 in words is "two hundred thirty million, one hundred twenty-one thousand, one hundred twenty-one".