128022032 has 20 divisors (see below), whose sum is σ = 248533200. Its totient is φ = 63884448.

The previous prime is 128022007. The next prime is 128022043. The reversal of 128022032 is 230220821.

It is a junction number, because it is equal to n+sod(n) for n = 128021995 and 128022013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719 + ... + 16017.

It is an arithmetic number, because the mean of its divisors is an integer number (12426660).

Almost surely, 2^128022032 is an apocalyptic number.

It is an amenable number.

128022032 is a deficient number, since it is larger than the sum of its proper divisors (120511168).

128022032 is a wasteful number, since it uses less digits than its factorization.

128022032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15830 (or 15824 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 128022032 is about 11314.6821431271. The cubic root of 128022032 is about 503.9973334872.

Adding to 128022032 its reverse (230220821), we get a palindrome (358242853).

The spelling of 128022032 in words is "one hundred twenty-eight million, twenty-two thousand, thirty-two".