128602914 has 48 divisors (see below), whose sum is σ = 284126304. Its totient is φ = 38776320.

The previous prime is 128602879. The next prime is 128602919. The reversal of 128602914 is 419206821.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (128602919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222594 + ... + 223170.

It is an arithmetic number, because the mean of its divisors is an integer number (5919298).

Almost surely, 2^128602914 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128602914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142063152).

128602914 is an abundant number, since it is smaller than the sum of its proper divisors (155523390).

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

128602914 is a wasteful number, since it uses less digits than its factorization.

128602914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 128602914 is about 11340.3224821872. The cubic root of 128602914 is about 504.7584558685.

The spelling of 128602914 in words is "one hundred twenty-eight million, six hundred two thousand, nine hundred fourteen".