128450141 has 2 divisors, whose sum is σ = 128450142. Its totient is φ = 128450140.

The previous prime is 128450137. The next prime is 128450173. The reversal of 128450141 is 141054821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73170916 + 55279225 = 8554^2 + 7435^2 .

It is a cyclic number.

It is not a de Polignac number, because 128450141 - 2² = 128450137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 128450141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128450191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64225070 + 64225071.

It is an arithmetic number, because the mean of its divisors is an integer number (64225071).

Almost surely, 2^128450141 is an apocalyptic number.

It is an amenable number.

128450141 is a deficient number, since it is larger than the sum of its proper divisors (1).

128450141 is an equidigital number, since it uses as much as digits as its factorization.

128450141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 128450141 is about 11333.5846491743. The cubic root of 128450141 is about 504.5585018218.

The spelling of 128450141 in words is "one hundred twenty-eight million, four hundred fifty thousand, one hundred forty-one".