128746597 has 16 divisors (see below), whose sum is σ = 150126592. Its totient is φ = 108131760.

The previous prime is 128746589. The next prime is 128746621. The reversal of 128746597 is 795647821.

It is a cyclic number.

It is not a de Polignac number, because 128746597 - 2³ = 128746589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128746597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128746507) 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 15 ways as a sum of consecutive naturals, for example, 103972 + ... + 105202.

It is an arithmetic number, because the mean of its divisors is an integer number (9382912).

Almost surely, 2^128746597 is an apocalyptic number.

It is an amenable number.

128746597 is a deficient number, since it is larger than the sum of its proper divisors (21379995).

128746597 is a wasteful number, since it uses less digits than its factorization.

128746597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528.

The product of its digits is 846720, while the sum is 49.

The square root of 128746597 is about 11346.6557628228. The cubic root of 128746597 is about 504.9463681893.

The spelling of 128746597 in words is "one hundred twenty-eight million, seven hundred forty-six thousand, five hundred ninety-seven".