128182797 has 24 divisors (see below), whose sum is σ = 200436480. Its totient is φ = 80951400.

The previous prime is 128182787. The next prime is 128182829. The reversal of 128182797 is 797281821.

It is not a de Polignac number, because 128182797 - 2¹⁰ = 128181773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128182787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3172 + ... + 16322.

It is an arithmetic number, because the mean of its divisors is an integer number (8351520).

Almost surely, 2^128182797 is an apocalyptic number.

It is an amenable number.

128182797 is a deficient number, since it is larger than the sum of its proper divisors (72253683).

128182797 is a wasteful number, since it uses less digits than its factorization.

128182797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13198 (or 13173 counting only the distinct ones).

The product of its digits is 112896, while the sum is 45.

The square root of 128182797 is about 11321.7841791831. The cubic root of 128182797 is about 504.2082118744.

The spelling of 128182797 in words is "one hundred twenty-eight million, one hundred eighty-two thousand, seven hundred ninety-seven".