1103403 has 8 divisors (see below), whose sum is σ = 1681408. Its totient is φ = 630504.

The previous prime is 1103371. The next prime is 1103437. The reversal of 1103403 is 3043011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1103403 - 2⁵ = 1103371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103483) 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, 26251 + ... + 26292.

It is an arithmetic number, because the mean of its divisors is an integer number (210176).

2^1103403 is an apocalyptic number.

1103403 is a deficient number, since it is larger than the sum of its proper divisors (578005).

1103403 is an equidigital number, since it uses as much as digits as its factorization.

1103403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52553.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1103403 is about 1050.4299119884. The cubic root of 1103403 is about 103.3343519382.

Adding to 1103403 its reverse (3043011), we get a palindrome (4146414).

The spelling of 1103403 in words is "one million, one hundred three thousand, four hundred three".