128682234 has 12 divisors (see below), whose sum is σ = 278811546. Its totient is φ = 42894072.

The previous prime is 128682227. The next prime is 128682241. The reversal of 128682234 is 432286821.

It is an interprime number because it is at equal distance from previous prime (128682227) and next prime (128682241).

It can be written as a sum of positive squares in only one way, i.e., 123276609 + 5405625 = 11103^2 + 2325^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3574489 + ... + 3574524.

Almost surely, 2^128682234 is an apocalyptic number.

128682234 is an abundant number, since it is smaller than the sum of its proper divisors (150129312).

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

128682234 is a wasteful number, since it uses less digits than its factorization.

128682234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7149021 (or 7149018 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 128682234 is about 11343.8191981360. The cubic root of 128682234 is about 504.8622098992.

The spelling of 128682234 in words is "one hundred twenty-eight million, six hundred eighty-two thousand, two hundred thirty-four".