120128268 has 24 divisors (see below), whose sum is σ = 301861168. Its totient is φ = 36962496.

The previous prime is 120128251. The next prime is 120128291. The reversal of 120128268 is 862821021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384871 + ... + 385182.

Almost surely, 2^120128268 is an apocalyptic number.

It is an amenable number.

120128268 is an abundant number, since it is smaller than the sum of its proper divisors (181732900).

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

120128268 is a wasteful number, since it uses less digits than its factorization.

120128268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770073 (or 770071 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 120128268 is about 10960.3041928589. The cubic root of 120128268 is about 493.4180945587.

Adding to 120128268 its reverse (862821021), we get a palindrome (982949289).

The spelling of 120128268 in words is "one hundred twenty million, one hundred twenty-eight thousand, two hundred sixty-eight".