128602206 has 24 divisors (see below), whose sum is σ = 278863104. Its totient is φ = 42832800.

The previous prime is 128602193. The next prime is 128602219. The reversal of 128602206 is 602206821.

It is an interprime number because it is at equal distance from previous prime (128602193) and next prime (128602219).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 128602206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30435 + ... + 34401.

It is an arithmetic number, because the mean of its divisors is an integer number (11619296).

Almost surely, 2^128602206 is an apocalyptic number.

128602206 is an abundant number, since it is smaller than the sum of its proper divisors (150260898).

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

128602206 is a wasteful number, since it uses less digits than its factorization.

128602206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5776 (or 5773 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 128602206 is about 11340.2912661007. The cubic root of 128602206 is about 504.7575295814.

The spelling of 128602206 in words is "one hundred twenty-eight million, six hundred two thousand, two hundred six".