120031228 has 24 divisors (see below), whose sum is σ = 213343200. Its totient is φ = 59083200.

The previous prime is 120031213. The next prime is 120031229. The reversal of 120031228 is 822130021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120031229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79650 + ... + 81142.

It is an arithmetic number, because the mean of its divisors is an integer number (8889300).

Almost surely, 2^120031228 is an apocalyptic number.

It is an amenable number.

120031228 is a deficient number, since it is larger than the sum of its proper divisors (93311972).

120031228 is a wasteful number, since it uses less digits than its factorization.

120031228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797 (or 1795 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 120031228 is about 10955.8764140529. The cubic root of 120031228 is about 493.2851971944.

Adding to 120031228 its reverse (822130021), we get a palindrome (942161249).

It can be divided in two parts, 12003 and 1228, that added together give a palindrome (13231).

The spelling of 120031228 in words is "one hundred twenty million, thirty-one thousand, two hundred twenty-eight".