102065803 has 4 divisors (see below), whose sum is σ = 116646640. Its totient is φ = 87484968.

The previous prime is 102065797. The next prime is 102065809. The reversal of 102065803 is 308560201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308560201 = 97 ⋅3181033.

It is an interprime number because it is at equal distance from previous prime (102065797) and next prime (102065809).

It is a cyclic number.

It is not a de Polignac number, because 102065803 - 2⁹ = 102065291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102065809) 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 in 3 ways as a sum of consecutive naturals, for example, 7290408 + ... + 7290421.

It is an arithmetic number, because the mean of its divisors is an integer number (29161660).

Almost surely, 2^102065803 is an apocalyptic number.

102065803 is a deficient number, since it is larger than the sum of its proper divisors (14580837).

102065803 is an equidigital number, since it uses as much as digits as its factorization.

102065803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14580836.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 102065803 is about 10102.7621470566. The cubic root of 102065803 is about 467.3333261543. Note that the first 4 decimals are identical.

The spelling of 102065803 in words is "one hundred two million, sixty-five thousand, eight hundred three".