128943076 has 24 divisors (see below), whose sum is σ = 233904440. Its totient is φ = 62145792.

The previous prime is 128943071. The next prime is 128943091. The reversal of 128943076 is 670349821.

It can be written as a sum of positive squares in 4 ways, for example, as 27457600 + 101485476 = 5240^2 + 10074^2 .

It is not an unprimeable number, because it can be changed into a prime (128943071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12136 + ... + 20128.

Almost surely, 2^128943076 is an apocalyptic number.

It is an amenable number.

128943076 is a deficient number, since it is larger than the sum of its proper divisors (104961364).

128943076 is a wasteful number, since it uses less digits than its factorization.

128943076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8143 (or 8141 counting only the distinct ones).

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

The square root of 128943076 is about 11355.3104757202. The cubic root of 128943076 is about 505.2031023064.

The spelling of 128943076 in words is "one hundred twenty-eight million, nine hundred forty-three thousand, seventy-six".