1002102103 has 4 divisors (see below), whose sum is σ = 1012024008. Its totient is φ = 992180200.

The previous prime is 1002102097. The next prime is 1002102109. The reversal of 1002102103 is 3012012001.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1002102097) and next prime (1002102109).

It is a cyclic number.

It is not a de Polignac number, because 1002102103 - 2⁵ = 1002102071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002102103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002102109) 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, 4960801 + ... + 4961002.

It is an arithmetic number, because the mean of its divisors is an integer number (253006002).

Almost surely, 2^1002102103 is an apocalyptic number.

1002102103 is a deficient number, since it is larger than the sum of its proper divisors (9921905).

1002102103 is an equidigital number, since it uses as much as digits as its factorization.

1002102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9921904.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1002102103 is about 31655.9963198128. The cubic root of 1002102103 is about 1000.7002105907.

Adding to 1002102103 its reverse (3012012001), we get a palindrome (4014114104).

The spelling of 1002102103 in words is "one billion, two million, one hundred two thousand, one hundred three".