100409803 has 16 divisors (see below), whose sum is σ = 118450080. Its totient is φ = 84220416.

The previous prime is 100409767. The next prime is 100409807. The reversal of 100409803 is 308904001.

It is a cyclic number.

It is not a de Polignac number, because 100409803 - 2¹³ = 100401611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100409807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1425 + ... + 14242.

It is an arithmetic number, because the mean of its divisors is an integer number (7403130).

Almost surely, 2^100409803 is an apocalyptic number.

100409803 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100409803 is a deficient number, since it is larger than the sum of its proper divisors (18040277).

100409803 is a wasteful number, since it uses less digits than its factorization.

100409803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15726.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 100409803 is about 10020.4692005914. The cubic root of 100409803 is about 464.7920648913.

The spelling of 100409803 in words is "one hundred million, four hundred nine thousand, eight hundred three".