128114149 has 2 divisors, whose sum is σ = 128114150. Its totient is φ = 128114148.

The previous prime is 128114123. The next prime is 128114179. The reversal of 128114149 is 941411821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106193025 + 21921124 = 10305^2 + 4682^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128114149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128114149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128114179) 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, 64057074 + 64057075.

It is an arithmetic number, because the mean of its divisors is an integer number (64057075).

Almost surely, 2^128114149 is an apocalyptic number.

It is an amenable number.

128114149 is a deficient number, since it is larger than the sum of its proper divisors (1).

128114149 is an equidigital number, since it uses as much as digits as its factorization.

128114149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 31.

The square root of 128114149 is about 11318.7520955271. The cubic root of 128114149 is about 504.1181866216.

The spelling of 128114149 in words is "one hundred twenty-eight million, one hundred fourteen thousand, one hundred forty-nine".