100027803 has 4 divisors (see below), whose sum is σ = 133370408. Its totient is φ = 66685200.

The previous prime is 100027789. The next prime is 100027819. The reversal of 100027803 is 308720001.

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

It is not a de Polignac number, because 100027803 - 2¹⁴ = 100011419 is a prime.

It is a super-2 number, since 2×100027803² = 20011122746013618, which contains 22 as substring.

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 100027803.

It is not an unprimeable number, because it can be changed into a prime (100020803) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16671298 + ... + 16671303.

It is an arithmetic number, because the mean of its divisors is an integer number (33342602).

Almost surely, 2^100027803 is an apocalyptic number.

100027803 is a deficient number, since it is larger than the sum of its proper divisors (33342605).

100027803 is an equidigital number, since it uses as much as digits as its factorization.

100027803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33342604.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 100027803 is about 10001.3900533876. The cubic root of 100027803 is about 464.2018960734.

Adding to 100027803 its reverse (308720001), we get a palindrome (408747804).

The spelling of 100027803 in words is "one hundred million, twenty-seven thousand, eight hundred three".