120530213 has 2 divisors, whose sum is σ = 120530214. Its totient is φ = 120530212.

The previous prime is 120530209. The next prime is 120530251. The reversal of 120530213 is 312035021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108847489 + 11682724 = 10433^2 + 3418^2 .

It is a cyclic number.

It is not a de Polignac number, because 120530213 - 2² = 120530209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120530191 and 120530200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120530273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60265106 + 60265107.

It is an arithmetic number, because the mean of its divisors is an integer number (60265107).

Almost surely, 2^120530213 is an apocalyptic number.

It is an amenable number.

120530213 is a deficient number, since it is larger than the sum of its proper divisors (1).

120530213 is an equidigital number, since it uses as much as digits as its factorization.

120530213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 120530213 is about 10978.6252782395. The cubic root of 120530213 is about 493.9678018320.

Adding to 120530213 its reverse (312035021), we get a palindrome (432565234).

The spelling of 120530213 in words is "one hundred twenty million, five hundred thirty thousand, two hundred thirteen".