102159073 has 2 divisors, whose sum is σ = 102159074. Its totient is φ = 102159072.

The previous prime is 102159061. The next prime is 102159089. The reversal of 102159073 is 370951201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98743969 + 3415104 = 9937^2 + 1848^2 .

It is a cyclic number.

It is not a de Polignac number, because 102159073 - 2²¹ = 100061921 is a prime.

It is not a weakly prime, because it can be changed into another prime (102159173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51079536 + 51079537.

It is an arithmetic number, because the mean of its divisors is an integer number (51079537).

Almost surely, 2^102159073 is an apocalyptic number.

It is an amenable number.

102159073 is a deficient number, since it is larger than the sum of its proper divisors (1).

102159073 is an equidigital number, since it uses as much as digits as its factorization.

102159073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 102159073 is about 10107.3771573045. The cubic root of 102159073 is about 467.4756360090.

The spelling of 102159073 in words is "one hundred two million, one hundred fifty-nine thousand, seventy-three".