2128963 has 2 divisors, whose sum is σ = 2128964. Its totient is φ = 2128962.

The previous prime is 2128933. The next prime is 2128991. The reversal of 2128963 is 3698212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2128963 - 2¹³ = 2120771 is a prime.

It is not a weakly prime, because it can be changed into another prime (2128933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064481 + 1064482.

It is an arithmetic number, because the mean of its divisors is an integer number (1064482).

2^2128963 is an apocalyptic number.

2128963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2128963 is an equidigital number, since it uses as much as digits as its factorization.

2128963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 2128963 is about 1459.0966383348. The cubic root of 2128963 is about 128.6439513833.

The spelling of 2128963 in words is "two million, one hundred twenty-eight thousand, nine hundred sixty-three".