128010685 has 8 divisors (see below), whose sum is σ = 167577696. Its totient is φ = 93098640.

The previous prime is 128010679. The next prime is 128010719. The reversal of 128010685 is 586010821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128010685 - 2⁵ = 128010653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1163679 + ... + 1163788.

It is an arithmetic number, because the mean of its divisors is an integer number (20947212).

Almost surely, 2^128010685 is an apocalyptic number.

It is an amenable number.

128010685 is a deficient number, since it is larger than the sum of its proper divisors (39567011).

128010685 is a wasteful number, since it uses less digits than its factorization.

128010685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327483.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 128010685 is about 11314.1807038778. The cubic root of 128010685 is about 503.9824427515.

The spelling of 128010685 in words is "one hundred twenty-eight million, ten thousand, six hundred eighty-five".