120143028 has 12 divisors (see below), whose sum is σ = 280333760. Its totient is φ = 40047672.

The previous prime is 120143017. The next prime is 120143041. The reversal of 120143028 is 820341021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 120142995 and 120143013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005948 + ... + 5005971.

Almost surely, 2^120143028 is an apocalyptic number.

It is an amenable number.

120143028 is an abundant number, since it is smaller than the sum of its proper divisors (160190732).

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

120143028 is a wasteful number, since it uses less digits than its factorization.

120143028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011926 (or 10011924 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 120143028 is about 10960.9775111529. The cubic root of 120143028 is about 493.4383022721.

Adding to 120143028 its reverse (820341021), we get a palindrome (940484049).

The spelling of 120143028 in words is "one hundred twenty million, one hundred forty-three thousand, twenty-eight".