1028141 has 2 divisors, whose sum is σ = 1028142. Its totient is φ = 1028140.

The previous prime is 1028129. The next prime is 1028149. The reversal of 1028141 is 1418201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 894916 + 133225 = 946^2 + 365^2 .

It is an emirp because it is prime and its reverse (1418201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1028141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514070 + 514071.

It is an arithmetic number, because the mean of its divisors is an integer number (514071).

2^1028141 is an apocalyptic number.

It is an amenable number.

1028141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028141 is an equidigital number, since it uses as much as digits as its factorization.

1028141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1028141 is about 1013.9728793217. The cubic root of 1028141 is about 100.9293693029.

The spelling of 1028141 in words is "one million, twenty-eight thousand, one hundred forty-one".