128982701 has 2 divisors, whose sum is σ = 128982702. Its totient is φ = 128982700.

The previous prime is 128982683. The next prime is 128982727. The reversal of 128982701 is 107289821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112572100 + 16410601 = 10610^2 + 4051^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128982701 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128982001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64491350 + 64491351.

It is an arithmetic number, because the mean of its divisors is an integer number (64491351).

Almost surely, 2^128982701 is an apocalyptic number.

It is an amenable number.

128982701 is a deficient number, since it is larger than the sum of its proper divisors (1).

128982701 is an equidigital number, since it uses as much as digits as its factorization.

128982701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 128982701 is about 11357.0551200564. The cubic root of 128982701 is about 505.2548476793.

The spelling of 128982701 in words is "one hundred twenty-eight million, nine hundred eighty-two thousand, seven hundred one".