102040003 has 12 divisors (see below), whose sum is σ = 114063168. Its totient is φ = 91147680.

The previous prime is 102039991. The next prime is 102040027. The reversal of 102040003 is 300040201.

It is a de Polignac number, because none of the positive numbers 2^k-102040003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102040073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4500 + ... + 14977.

It is an arithmetic number, because the mean of its divisors is an integer number (9505264).

Almost surely, 2^102040003 is an apocalyptic number.

102040003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102040003 is a deficient number, since it is larger than the sum of its proper divisors (12023165).

102040003 is a wasteful number, since it uses less digits than its factorization.

102040003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19534 (or 19521 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 102040003 is about 10101.4851878325. The cubic root of 102040003 is about 467.2939456255.

Adding to 102040003 its reverse (300040201), we get a palindrome (402080204).

The spelling of 102040003 in words is "one hundred two million, forty thousand, three".