128023252 has 12 divisors (see below), whose sum is σ = 256046560. Its totient is φ = 54867096.

The previous prime is 128023223. The next prime is 128023283. The reversal of 128023252 is 252320821.

128023252 is an admirable number.

It is a super-3 number, since 3×128023252³ (a number of 25 digits) contains 333 as substring.

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, 2286102 + ... + 2286157.

Almost surely, 2^128023252 is an apocalyptic number.

It is an amenable number.

128023252 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.

128023252 is a wasteful number, since it uses less digits than its factorization.

128023252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572270 (or 4572268 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 128023252 is about 11314.7360552511. The cubic root of 128023252 is about 503.9989344481.

The spelling of 128023252 in words is "one hundred twenty-eight million, twenty-three thousand, two hundred fifty-two".