128574029 has 2 divisors, whose sum is σ = 128574030. Its totient is φ = 128574028.

The previous prime is 128573993. The next prime is 128574041. The reversal of 128574029 is 920475821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95511529 + 33062500 = 9773^2 + 5750^2 .

It is a cyclic number.

It is not a de Polignac number, because 128574029 - 2¹² = 128569933 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 128573983 and 128574001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128574049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64287014 + 64287015.

It is an arithmetic number, because the mean of its divisors is an integer number (64287015).

Almost surely, 2^128574029 is an apocalyptic number.

It is an amenable number.

128574029 is a deficient number, since it is larger than the sum of its proper divisors (1).

128574029 is an equidigital number, since it uses as much as digits as its factorization.

128574029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 128574029 is about 11339.0488578187. The cubic root of 128574029 is about 504.7206624280.

The spelling of 128574029 in words is "one hundred twenty-eight million, five hundred seventy-four thousand, twenty-nine".