128050785294 has 16 divisors (see below), whose sum is σ = 256125220560. Its totient is φ = 42679653440.

The previous prime is 128050785293. The next prime is 128050785299. The reversal of 128050785294 is 492587050821.

It is a super-2 number, since 2×128050785294² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128050785293) 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, 914637 + ... + 1045304.

It is an arithmetic number, because the mean of its divisors is an integer number (16007826285).

Almost surely, 2^128050785294 is an apocalyptic number.

128050785294 is an abundant number, since it is smaller than the sum of its proper divisors (128074435266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128050785294 is a wasteful number, since it uses less digits than its factorization.

128050785294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970835.

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 128050785294 in words is "one hundred twenty-eight billion, fifty million, seven hundred eighty-five thousand, two hundred ninety-four".