230501121 has 4 divisors (see below), whose sum is σ = 307334832. Its totient is φ = 153667412.

The previous prime is 230501099. The next prime is 230501123. The reversal of 230501121 is 121105032.

230501121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230501121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230501121.

It is not an unprimeable number, because it can be changed into a prime (230501123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38416851 + ... + 38416856.

It is an arithmetic number, because the mean of its divisors is an integer number (76833708).

Almost surely, 2^230501121 is an apocalyptic number.

It is an amenable number.

230501121 is a deficient number, since it is larger than the sum of its proper divisors (76833711).

230501121 is an equidigital number, since it uses as much as digits as its factorization.

230501121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76833710.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 230501121 is about 15182.2633688130. The cubic root of 230501121 is about 613.1372202693.

Adding to 230501121 its reverse (121105032), we get a palindrome (351606153).

It can be divided in two parts, 2305011 and 21, that added together give a palindrome (2305032).

The spelling of 230501121 in words is "two hundred thirty million, five hundred one thousand, one hundred twenty-one".