230242121 has 16 divisors (see below), whose sum is σ = 245400960. Its totient is φ = 215550720.

The previous prime is 230242109. The next prime is 230242141. The reversal of 230242121 is 121242032.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230242121 is a prime.

It is a super-2 number, since 2×230242121² = 106022868565157282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230242121.

It is not an unprimeable number, because it can be changed into a prime (230242141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531521 + ... + 531953.

It is an arithmetic number, because the mean of its divisors is an integer number (15337560).

Almost surely, 2^230242121 is an apocalyptic number.

It is an amenable number.

230242121 is a deficient number, since it is larger than the sum of its proper divisors (15158839).

230242121 is a wasteful number, since it uses less digits than its factorization.

230242121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 230242121 is about 15173.7312813955. The cubic root of 230242121 is about 612.9074859475.

Adding to 230242121 its reverse (121242032), we get a palindrome (351484153).

The spelling of 230242121 in words is "two hundred thirty million, two hundred forty-two thousand, one hundred twenty-one".