128371962 has 16 divisors (see below), whose sum is σ = 257044032. Its totient is φ = 42740640.

The previous prime is 128371949. The next prime is 128371967. The reversal of 128371962 is 269173821.

It is a self number, because there is not a number n which added to its sum of digits gives 128371962.

It is not an unprimeable number, because it can be changed into a prime (128371967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6739 + ... + 17382.

It is an arithmetic number, because the mean of its divisors is an integer number (16065252).

Almost surely, 2^128371962 is an apocalyptic number.

128371962 is an abundant number, since it is smaller than the sum of its proper divisors (128672070).

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

128371962 is a wasteful number, since it uses less digits than its factorization.

128371962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25013.

The product of its digits is 36288, while the sum is 39.

The square root of 128371962 is about 11330.1351271730. The cubic root of 128371962 is about 504.4561173889.

The spelling of 128371962 in words is "one hundred twenty-eight million, three hundred seventy-one thousand, nine hundred sixty-two".