128244532 has 48 divisors (see below), whose sum is σ = 257402880. Its totient is φ = 55383552.

The previous prime is 128244521. The next prime is 128244559. The reversal of 128244532 is 235442821.

It is a super-3 number, since 3×128244532³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 128244494 and 128244503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210973 + ... + 211579.

It is an arithmetic number, because the mean of its divisors is an integer number (5362560).

Almost surely, 2^128244532 is an apocalyptic number.

It is an amenable number.

128244532 is an abundant number, since it is smaller than the sum of its proper divisors (129158348).

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

128244532 is a wasteful number, since it uses less digits than its factorization.

128244532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 878 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 128244532 is about 11324.5102322352. The cubic root of 128244532 is about 504.2891439466.

The spelling of 128244532 in words is "one hundred twenty-eight million, two hundred forty-four thousand, five hundred thirty-two".