101603803 has 8 divisors (see below), whose sum is σ = 118488800. Its totient is φ = 87088680.

The previous prime is 101603767. The next prime is 101603851. The reversal of 101603803 is 308306101.

It is not a de Polignac number, because 101603803 - 2⁹ = 101603291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101603303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147768 + ... + 148453.

It is an arithmetic number, because the mean of its divisors is an integer number (14811100).

Almost surely, 2^101603803 is an apocalyptic number.

101603803 is a deficient number, since it is larger than the sum of its proper divisors (16884997).

101603803 is an frugal number, since it uses more digits than its factorization.

101603803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296242 (or 296228 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 101603803 is about 10079.8711797324. The cubic root of 101603803 is about 466.6271327621.

Adding to 101603803 its reverse (308306101), we get a palindrome (409909904).

The spelling of 101603803 in words is "one hundred one million, six hundred three thousand, eight hundred three".