120228025 has 6 divisors (see below), whose sum is σ = 149082782. Its totient is φ = 96182400.

The previous prime is 120228019. The next prime is 120228037. The reversal of 120228025 is 520822021.

It can be written as a sum of positive squares in 3 ways, for example, as 16941456 + 103286569 = 4116^2 + 10163^2 .

It is not a de Polignac number, because 120228025 - 2⁷ = 120227897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120227987 and 120228005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2404536 + ... + 2404585.

Almost surely, 2^120228025 is an apocalyptic number.

It is an amenable number.

120228025 is a deficient number, since it is larger than the sum of its proper divisors (28854757).

120228025 is an equidigital number, since it uses as much as digits as its factorization.

120228025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4809131 (or 4809126 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 120228025 is about 10964.8540801964. The cubic root of 120228025 is about 493.5546383020.

The spelling of 120228025 in words is "one hundred twenty million, two hundred twenty-eight thousand, twenty-five".