120530225 has 6 divisors (see below), whose sum is σ = 149457510. Its totient is φ = 96424160.

The previous prime is 120530213. The next prime is 120530251. The reversal of 120530225 is 522035021.

It can be written as a sum of positive squares in 3 ways, for example, as 21169201 + 99361024 = 4601^2 + 9968^2 .

It is not a de Polignac number, because 120530225 - 2⁴ = 120530209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120530197 and 120530206.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2410580 + ... + 2410629.

It is an arithmetic number, because the mean of its divisors is an integer number (24909585).

Almost surely, 2^120530225 is an apocalyptic number.

It is an amenable number.

120530225 is a deficient number, since it is larger than the sum of its proper divisors (28927285).

120530225 is an equidigital number, since it uses as much as digits as its factorization.

120530225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821219 (or 4821214 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 120530225 is about 10978.6258247560. The cubic root of 120530225 is about 493.9678182251.

Adding to 120530225 its reverse (522035021), we get a palindrome (642565246).

The spelling of 120530225 in words is "one hundred twenty million, five hundred thirty thousand, two hundred twenty-five".