120005228 has 12 divisors (see below), whose sum is σ = 240010512. Its totient is φ = 51430800.

The previous prime is 120005213. The next prime is 120005231. The reversal of 120005228 is 822500021.

120005228 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 2142923 + ... + 2142978.

It is an arithmetic number, because the mean of its divisors is an integer number (20000876).

Almost surely, 2^120005228 is an apocalyptic number.

It is an amenable number.

120005228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120005228 is a wasteful number, since it uses less digits than its factorization.

120005228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285912 (or 4285910 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 120005228 is about 10954.6897719652. The cubic root of 120005228 is about 493.2495777380.

Adding to 120005228 its reverse (822500021), we get a palindrome (942505249).

The spelling of 120005228 in words is "one hundred twenty million, five thousand, two hundred twenty-eight".