128234966 has 16 divisors (see below), whose sum is σ = 196333200. Its totient is φ = 62798688.

The previous prime is 128234963. The next prime is 128234969. The reversal of 128234966 is 669432821.

It is an interprime number because it is at equal distance from previous prime (128234963) and next prime (128234969).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128234963) 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, 32720 + ... + 36428.

It is an arithmetic number, because the mean of its divisors is an integer number (12270825).

Almost surely, 2^128234966 is an apocalyptic number.

128234966 is a deficient number, since it is larger than the sum of its proper divisors (68098234).

128234966 is a wasteful number, since it uses less digits than its factorization.

128234966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063.

The product of its digits is 124416, while the sum is 41.

The square root of 128234966 is about 11324.0878661374. The cubic root of 128234966 is about 504.2766050107.

The spelling of 128234966 in words is "one hundred twenty-eight million, two hundred thirty-four thousand, nine hundred sixty-six".