128254607 has 12 divisors (see below), whose sum is σ = 140456160. Its totient is φ = 117044928.

The previous prime is 128254591. The next prime is 128254619. The reversal of 128254607 is 706452821.

It is not a de Polignac number, because 128254607 - 2⁴ = 128254591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128254667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10778 + ... + 19304.

It is an arithmetic number, because the mean of its divisors is an integer number (11704680).

Almost surely, 2^128254607 is an apocalyptic number.

128254607 is a deficient number, since it is larger than the sum of its proper divisors (12201553).

128254607 is an equidigital number, since it uses as much as digits as its factorization.

128254607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8642 (or 8629 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 128254607 is about 11324.9550550985. The cubic root of 128254607 is about 504.3023493962.

The spelling of 128254607 in words is "one hundred twenty-eight million, two hundred fifty-four thousand, six hundred seven".