1028100097 has 2 divisors, whose sum is σ = 1028100098. Its totient is φ = 1028100096.

The previous prime is 1028100079. The next prime is 1028100113. The reversal of 1028100097 is 7900018201.

It is a Cunningham number, because it is equal to 32064²+1.

Together with previous prime (1028100079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1028100096 + 1 = 32064^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 1028100097 - 2¹⁵ = 1028067329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1028100077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514050048 + 514050049.

It is an arithmetic number, because the mean of its divisors is an integer number (514050049).

Almost surely, 2^1028100097 is an apocalyptic number.

It is an amenable number.

1028100097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028100097 is an equidigital number, since it uses as much as digits as its factorization.

1028100097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 1028100097 is about 32064.0000155938. Note that the first 4 decimals coincide. The cubic root of 1028100097 is about 1009.2803084555.

Adding to 1028100097 its reverse (7900018201), we get a palindrome (8928118298).

The spelling of 1028100097 in words is "one billion, twenty-eight million, one hundred thousand, ninety-seven".