128026701 has 12 divisors (see below), whose sum is σ = 201739200. Its totient is φ = 77591880.

The previous prime is 128026673. The next prime is 128026741. The reversal of 128026701 is 107620821.

It is not a de Polignac number, because 128026701 - 2⁵ = 128026669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128026741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 646501 + ... + 646698.

It is an arithmetic number, because the mean of its divisors is an integer number (16811600).

Almost surely, 2^128026701 is an apocalyptic number.

128026701 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

128026701 is a deficient number, since it is larger than the sum of its proper divisors (73712499).

128026701 is a wasteful number, since it uses less digits than its factorization.

128026701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293216 (or 1293213 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 128026701 is about 11314.8884660875. Note that the first 3 decimals coincide. The cubic root of 128026701 is about 504.0034603882.

It can be divided in two parts, 12802 and 6701, that added together give a triangular number (19503 = T₁₉₇).

The spelling of 128026701 in words is "one hundred twenty-eight million, twenty-six thousand, seven hundred one".