100404003 has 32 divisors (see below), whose sum is σ = 159782400. Its totient is φ = 54867456.

The previous prime is 100404001. The next prime is 100404013. The reversal of 100404003 is 300404001.

It is not a de Polignac number, because 100404003 - 2¹ = 100404001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100404003.

It is not an unprimeable number, because it can be changed into a prime (100404001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68088 + ... + 69546.

It is an arithmetic number, because the mean of its divisors is an integer number (4993200).

Almost surely, 2^100404003 is an apocalyptic number.

100404003 is a deficient number, since it is larger than the sum of its proper divisors (59378397).

100404003 is a wasteful number, since it uses less digits than its factorization.

100404003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 100404003 is about 10020.1797888062. The cubic root of 100404003 is about 464.7831154136.

Adding to 100404003 its reverse (300404001), we get a palindrome (400808004).

The spelling of 100404003 in words is "one hundred million, four hundred four thousand, three".