1363103 has 4 divisors (see below), whose sum is σ = 1557840. Its totient is φ = 1168368.

The previous prime is 1363099. The next prime is 1363121. The reversal of 1363103 is 3013631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3013631 = 991 ⋅3041.

It is a cyclic number.

It is not a de Polignac number, because 1363103 - 2² = 1363099 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97358 + ... + 97371.

It is an arithmetic number, because the mean of its divisors is an integer number (389460).

2^1363103 is an apocalyptic number.

1363103 is a deficient number, since it is larger than the sum of its proper divisors (194737).

1363103 is an equidigital number, since it uses as much as digits as its factorization.

1363103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194736.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1363103 is about 1167.5200212416. The cubic root of 1363103 is about 110.8773636781.

Adding to 1363103 its reverse (3013631), we get a palindrome (4376734).

The spelling of 1363103 in words is "one million, three hundred sixty-three thousand, one hundred three".