128002532 has 12 divisors (see below), whose sum is σ = 256005120. Its totient is φ = 54858216.

The previous prime is 128002493. The next prime is 128002543. The reversal of 128002532 is 235200821.

128002532 is an admirable number.

It is a super-2 number, since 2×128002532² = 32769296396822048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 128002498 and 128002507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2285732 + ... + 2285787.

It is an arithmetic number, because the mean of its divisors is an integer number (21333760).

Almost surely, 2^128002532 is an apocalyptic number.

It is an amenable number.

128002532 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.

128002532 is a wasteful number, since it uses less digits than its factorization.

128002532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4571530 (or 4571528 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 128002532 is about 11313.8203980795. The cubic root of 128002532 is about 503.9717429778.

The spelling of 128002532 in words is "one hundred twenty-eight million, two thousand, five hundred thirty-two".