1101303 has 16 divisors (see below), whose sum is σ = 1864960. Its totient is φ = 629208.

The previous prime is 1101299. The next prime is 1101307. The reversal of 1101303 is 3031011.

It is an interprime number because it is at equal distance from previous prime (1101299) and next prime (1101307).

It is not a de Polignac number, because 1101303 - 2² = 1101299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2725 + ... + 3102.

It is an arithmetic number, because the mean of its divisors is an integer number (116560).

2^1101303 is an apocalyptic number.

1101303 is a deficient number, since it is larger than the sum of its proper divisors (763657).

1101303 is an equidigital number, since it uses as much as digits as its factorization.

1101303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5843 (or 5837 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 1101303 is about 1049.4298452017. The cubic root of 1101303 is about 103.2687548864.

Adding to 1101303 its reverse (3031011), we get a palindrome (4132314).

The spelling of 1101303 in words is "one million, one hundred one thousand, three hundred three".