128253862281207 has 32 divisors (see below), whose sum is σ = 195003991123200. Its totient is φ = 74278325214720.

The previous prime is 128253862281121. The next prime is 128253862281253. The reversal of 128253862281207 is 702182268352821.

It is not a de Polignac number, because 128253862281207 - 2¹⁰ = 128253862280183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128253862281277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5279332 + ... + 16863542.

It is an arithmetic number, because the mean of its divisors is an integer number (6093874722600).

Almost surely, 2^{128253862281207} is an apocalyptic number.

128253862281207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

128253862281207 is a deficient number, since it is larger than the sum of its proper divisors (66750128841993).

128253862281207 is a wasteful number, since it uses less digits than its factorization.

128253862281207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11600943.

The product of its (nonzero) digits is 10321920, while the sum is 57.

The spelling of 128253862281207 in words is "one hundred twenty-eight trillion, two hundred fifty-three billion, eight hundred sixty-two million, two hundred eighty-one thousand, two hundred seven".