1002010103 has 4 divisors (see below), whose sum is σ = 1020916008. Its totient is φ = 983104200.

The previous prime is 1002010099. The next prime is 1002010109. The reversal of 1002010103 is 3010102001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3010102001 = 18413 ⋅163477.

It is a cyclic number.

It is not a de Polignac number, because 1002010103 - 2² = 1002010099 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 (1002010109) 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, 9452873 + ... + 9452978.

It is an arithmetic number, because the mean of its divisors is an integer number (255229002).

Almost surely, 2^1002010103 is an apocalyptic number.

1002010103 is a deficient number, since it is larger than the sum of its proper divisors (18905905).

1002010103 is an equidigital number, since it uses as much as digits as its factorization.

1002010103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18905904.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1002010103 is about 31654.5431652393. The cubic root of 1002010103 is about 1000.6695858880.

Adding to 1002010103 its reverse (3010102001), we get a palindrome (4012112104).

The spelling of 1002010103 in words is "one billion, two million, ten thousand, one hundred three".