128934007 has 2 divisors, whose sum is σ = 128934008. Its totient is φ = 128934006.

The previous prime is 128933993. The next prime is 128934023. The reversal of 128934007 is 700439821.

It is a weak prime.

It is an emirp because it is prime and its reverse (700439821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128934007 is a prime.

It is a super-2 number, since 2×128934007² = 33247956322152098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128934077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64467003 + 64467004.

It is an arithmetic number, because the mean of its divisors is an integer number (64467004).

Almost surely, 2^128934007 is an apocalyptic number.

128934007 is a deficient number, since it is larger than the sum of its proper divisors (1).

128934007 is an equidigital number, since it uses as much as digits as its factorization.

128934007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 128934007 is about 11354.9111401191. The cubic root of 128934007 is about 505.1912578178.

It can be divided in two parts, 12893 and 4007, that added together give a square (16900 = 130²).

The spelling of 128934007 in words is "one hundred twenty-eight million, nine hundred thirty-four thousand, seven".