230121125242 has 8 divisors (see below), whose sum is σ = 346025654100. Its totient is φ = 114779240544.

The previous prime is 230121125197. The next prime is 230121125251. The reversal of 230121125242 is 242521121032.

It can be written as a sum of positive squares in 2 ways, for example, as 169860203881 + 60260921361 = 412141^2 + 245481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140660017 + ... + 140661652.

Almost surely, 2^230121125242 is an apocalyptic number.

230121125242 is a deficient number, since it is larger than the sum of its proper divisors (115904528858).

230121125242 is a wasteful number, since it uses less digits than its factorization.

230121125242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281322080.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 230121125242 its reverse (242521121032), we get a palindrome (472642246274).

The spelling of 230121125242 in words is "two hundred thirty billion, one hundred twenty-one million, one hundred twenty-five thousand, two hundred forty-two".