102009097 has 2 divisors, whose sum is σ = 102009098. Its totient is φ = 102009096.

The previous prime is 102009079. The next prime is 102009133. The reversal of 102009097 is 790900201.

Together with previous prime (102009079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94848121 + 7160976 = 9739^2 + 2676^2 .

It is a cyclic number.

It is not a de Polignac number, because 102009097 - 2⁷ = 102008969 is a prime.

It is not a weakly prime, because it can be changed into another prime (102039097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51004548 + 51004549.

It is an arithmetic number, because the mean of its divisors is an integer number (51004549).

Almost surely, 2^102009097 is an apocalyptic number.

It is an amenable number.

102009097 is a deficient number, since it is larger than the sum of its proper divisors (1).

102009097 is an equidigital number, since it uses as much as digits as its factorization.

102009097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 102009097 is about 10099.9552969308. The cubic root of 102009097 is about 467.2467626757.

Adding to 102009097 its reverse (790900201), we get a palindrome (892909298).

The spelling of 102009097 in words is "one hundred two million, nine thousand, ninety-seven".