120230521 has 2 divisors, whose sum is σ = 120230522. Its totient is φ = 120230520.

The previous prime is 120230507. The next prime is 120230527. The reversal of 120230521 is 125032021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103124025 + 17106496 = 10155^2 + 4136^2 .

It is a cyclic number.

It is not a de Polignac number, because 120230521 - 2⁷ = 120230393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120230495 and 120230504.

It is not a weakly prime, because it can be changed into another prime (120230527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60115260 + 60115261.

It is an arithmetic number, because the mean of its divisors is an integer number (60115261).

Almost surely, 2^120230521 is an apocalyptic number.

It is an amenable number.

120230521 is a deficient number, since it is larger than the sum of its proper divisors (1).

120230521 is an equidigital number, since it uses as much as digits as its factorization.

120230521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 120230521 is about 10964.9678978098. The cubic root of 120230521 is about 493.5580537671.

Adding to 120230521 its reverse (125032021), we get a palindrome (245262542).

The spelling of 120230521 in words is "one hundred twenty million, two hundred thirty thousand, five hundred twenty-one".