230122521 has 12 divisors (see below), whose sum is σ = 346851648. Its totient is φ = 146744664.

The previous prime is 230122513. The next prime is 230122531. The reversal of 230122521 is 125221032.

230122521 is a `hidden beast` number, since 23 + 0 + 122 + 521 = 666.

It is not a de Polignac number, because 230122521 - 2³ = 230122513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230122494 and 230122503.

It is not an unprimeable number, because it can be changed into a prime (230122531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555645 + ... + 556058.

It is an arithmetic number, because the mean of its divisors is an integer number (28904304).

Almost surely, 2^230122521 is an apocalyptic number.

It is an amenable number.

230122521 is a deficient number, since it is larger than the sum of its proper divisors (116729127).

230122521 is a wasteful number, since it uses less digits than its factorization.

230122521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111732 (or 1111729 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 230122521 is about 15169.7897480486. The cubic root of 230122521 is about 612.8013419873.

Adding to 230122521 its reverse (125221032), we get a palindrome (355343553).

The spelling of 230122521 in words is "two hundred thirty million, one hundred twenty-two thousand, five hundred twenty-one".