102005003 has 4 divisors (see below), whose sum is σ = 102808320. Its totient is φ = 101201688.

The previous prime is 102004997. The next prime is 102005063. The reversal of 102005003 is 300500201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300500201 = 1123 ⋅267587.

It is a cyclic number.

It is not a de Polignac number, because 102005003 - 2²⁶ = 34896139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102005063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401468 + ... + 401721.

It is an arithmetic number, because the mean of its divisors is an integer number (25702080).

Almost surely, 2^102005003 is an apocalyptic number.

102005003 is a deficient number, since it is larger than the sum of its proper divisors (803317).

102005003 is an equidigital number, since it uses as much as digits as its factorization.

102005003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803316.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 102005003 is about 10099.7526207328. The cubic root of 102005003 is about 467.2405118154.

Adding to 102005003 its reverse (300500201), we get a palindrome (402505204).

The spelling of 102005003 in words is "one hundred two million, five thousand, three".