128677037 has 2 divisors, whose sum is σ = 128677038. Its totient is φ = 128677036.

The previous prime is 128677013. The next prime is 128677039. The reversal of 128677037 is 730776821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121462441 + 7214596 = 11021^2 + 2686^2 .

It is a cyclic number.

It is not a de Polignac number, because 128677037 - 2¹⁰ = 128676013 is a prime.

Together with 128677039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 128676985 and 128677003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128677039) 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, 64338518 + 64338519.

It is an arithmetic number, because the mean of its divisors is an integer number (64338519).

Almost surely, 2^128677037 is an apocalyptic number.

It is an amenable number.

128677037 is a deficient number, since it is larger than the sum of its proper divisors (1).

128677037 is an equidigital number, since it uses as much as digits as its factorization.

128677037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 128677037 is about 11343.5901283500. The cubic root of 128677037 is about 504.8554133013.

The spelling of 128677037 in words is "one hundred twenty-eight million, six hundred seventy-seven thousand, thirty-seven".