128834007 has 16 divisors (see below), whose sum is σ = 183324672. Its totient is φ = 80196480.

The previous prime is 128833961. The next prime is 128834009. The reversal of 128834007 is 700438821.

It is not a de Polignac number, because 128834007 - 2²³ = 120445399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128834009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3469 + ... + 16422.

It is an arithmetic number, because the mean of its divisors is an integer number (11457792).

Almost surely, 2^128834007 is an apocalyptic number.

128834007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

128834007 is a deficient number, since it is larger than the sum of its proper divisors (54490665).

128834007 is a wasteful number, since it uses less digits than its factorization.

128834007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20038.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 128834007 is about 11350.5069049801. The cubic root of 128834007 is about 505.0606168455.

The spelling of 128834007 in words is "one hundred twenty-eight million, eight hundred thirty-four thousand, seven".