128532350 has 24 divisors (see below), whose sum is σ = 247316760. Its totient is φ = 49639520.

The previous prime is 128532311. The next prime is 128532407. The reversal of 128532350 is 53235821.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42872 + ... + 45771.

It is an arithmetic number, because the mean of its divisors is an integer number (10304865).

Almost surely, 2^128532350 is an apocalyptic number.

128532350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128532350 is a deficient number, since it is larger than the sum of its proper divisors (118784410).

128532350 is a wasteful number, since it uses less digits than its factorization.

128532350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88684 (or 88679 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 128532350 is about 11337.2108562909. The cubic root of 128532350 is about 504.6661192046. Note that the first 3 decimals are identical.

The spelling of 128532350 in words is "one hundred twenty-eight million, five hundred thirty-two thousand, three hundred fifty".