1303063 has 4 divisors (see below), whose sum is σ = 1321488. Its totient is φ = 1284640.

The previous prime is 1303061. The next prime is 1303069. The reversal of 1303063 is 3603031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3603031 = 17 ⋅211943.

It is a cyclic number.

It is not a de Polignac number, because 1303063 - 2¹ = 1303061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9106 + ... + 9247.

It is an arithmetic number, because the mean of its divisors is an integer number (330372).

2^1303063 is an apocalyptic number.

1303063 is a deficient number, since it is larger than the sum of its proper divisors (18425).

1303063 is an equidigital number, since it uses as much as digits as its factorization.

1303063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18424.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1303063 is about 1141.5178491815. The cubic root of 1303063 is about 109.2249373918.

Adding to 1303063 its reverse (3603031), we get a palindrome (4906094).

Subtracting 1303063 from its reverse (3603031), we obtain a cube (2299968 = 132³).

The spelling of 1303063 in words is "one million, three hundred three thousand, sixty-three".