128372550703 has 8 divisors (see below), whose sum is σ = 135137026800. Its totient is φ = 121608877248.

The previous prime is 128372550697. The next prime is 128372550739. The reversal of 128372550703 is 307055273821.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128372550703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128372550703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128372550203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142725 + ... + 526417.

It is an arithmetic number, because the mean of its divisors is an integer number (16892128350).

Almost surely, 2^128372550703 is an apocalyptic number.

128372550703 is a deficient number, since it is larger than the sum of its proper divisors (6764476097).

128372550703 is a wasteful number, since it uses less digits than its factorization.

128372550703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401321.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 128372550703 in words is "one hundred twenty-eight billion, three hundred seventy-two million, five hundred fifty thousand, seven hundred three".