128732962 has 8 divisors (see below), whose sum is σ = 193150656. Its totient is φ = 64349412.

The previous prime is 128732951. The next prime is 128732969. The reversal of 128732962 is 269237821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (128732969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5523 + ... + 16969.

It is an arithmetic number, because the mean of its divisors is an integer number (24143832).

Almost surely, 2^128732962 is an apocalyptic number.

128732962 is a deficient number, since it is larger than the sum of its proper divisors (64417694).

128732962 is a wasteful number, since it uses less digits than its factorization.

128732962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17072.

The product of its digits is 72576, while the sum is 40.

The square root of 128732962 is about 11346.0549090862. The cubic root of 128732962 is about 504.9285419918.

The spelling of 128732962 in words is "one hundred twenty-eight million, seven hundred thirty-two thousand, nine hundred sixty-two".