1028101 has 2 divisors, whose sum is σ = 1028102. Its totient is φ = 1028100.

The previous prime is 1028099. The next prime is 1028107. The reversal of 1028101 is 1018201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 599076 + 429025 = 774^2 + 655^2 .

It is an emirp because it is prime and its reverse (1018201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1028101 - 2¹ = 1028099 is a prime.

Together with 1028099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514050 + 514051.

It is an arithmetic number, because the mean of its divisors is an integer number (514051).

2^1028101 is an apocalyptic number.

It is an amenable number.

1028101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028101 is an equidigital number, since it uses as much as digits as its factorization.

1028101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1028101 is about 1013.9531547365. The cubic root of 1028101 is about 100.9280603945.

The spelling of 1028101 in words is "one million, twenty-eight thousand, one hundred one".