100003000 has 32 divisors (see below), whose sum is σ = 234009360. Its totient is φ = 40000800.

The previous prime is 100002979. The next prime is 100003021. The reversal of 100003000 is 300001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100002979) and next prime (100003021).

It is a Harshad number since it is a multiple of its sum of digits (4).

100003000 is a modest number, since divided by 3000 gives 1000 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49002 + ... + 51001.

Almost surely, 2^100003000 is an apocalyptic number.

100003000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100003000 is an abundant number, since it is smaller than the sum of its proper divisors (134006360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100003000 is a wasteful number, since it uses less digits than its factorization.

100003000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100024 (or 100010 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 4.

The square root of 100003000 is about 10000.1499988750. The cubic root of 100003000 is about 464.1635249037.

Adding to 100003000 its reverse (300001), we get a palindrome (100303001).

The spelling of 100003000 in words is "one hundred million, three thousand".