128372853 has 16 divisors (see below), whose sum is σ = 198824576. Its totient is φ = 72152640.

The previous prime is 128372851. The next prime is 128372857. The reversal of 128372853 is 358273821.

It is not a de Polignac number, because 128372853 - 2¹ = 128372851 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128372851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48826 + ... + 51387.

It is an arithmetic number, because the mean of its divisors is an integer number (12426536).

Almost surely, 2^128372853 is an apocalyptic number.

It is an amenable number.

128372853 is a deficient number, since it is larger than the sum of its proper divisors (70451723).

128372853 is a wasteful number, since it uses less digits than its factorization.

128372853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100284.

The product of its digits is 80640, while the sum is 39.

The square root of 128372853 is about 11330.1744470242. The cubic root of 128372853 is about 504.4572844905.

It can be divided in two parts, 12837 and 2853, that multiplied together give a triangular number (36623961 = T₈₅₅₈).

The spelling of 128372853 in words is "one hundred twenty-eight million, three hundred seventy-two thousand, eight hundred fifty-three".