100402103 has 4 divisors (see below), whose sum is σ = 100446720. Its totient is φ = 100357488.

The previous prime is 100402079. The next prime is 100402111. The reversal of 100402103 is 301204001.

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: 301204001 = 7 ⋅43029143.

It is a cyclic number.

It is not a de Polignac number, because 100402103 - 2¹⁰ = 100401079 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 (100402123) 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, 18743 + ... + 23496.

It is an arithmetic number, because the mean of its divisors is an integer number (25111680).

Almost surely, 2^100402103 is an apocalyptic number.

100402103 is a deficient number, since it is larger than the sum of its proper divisors (44617).

100402103 is an equidigital number, since it uses as much as digits as its factorization.

100402103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44616.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 100402103 is about 10020.0849796796. The cubic root of 100402103 is about 464.7801836132.

Adding to 100402103 its reverse (301204001), we get a palindrome (401606104).

The spelling of 100402103 in words is "one hundred million, four hundred two thousand, one hundred three".