1503063 has 16 divisors (see below), whose sum is σ = 2246400. Its totient is φ = 993240.

The previous prime is 1503059. The next prime is 1503091. The reversal of 1503063 is 3603051.

It is not a de Polignac number, because 1503063 - 2² = 1503059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1503043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4678 + ... + 4988.

It is an arithmetic number, because the mean of its divisors is an integer number (140400).

2^1503063 is an apocalyptic number.

1503063 is a deficient number, since it is larger than the sum of its proper divisors (743337).

1503063 is a wasteful number, since it uses less digits than its factorization.

1503063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 1503063 is about 1225.9946981941. The cubic root of 1503063 is about 114.5492881628.

The spelling of 1503063 in words is "one million, five hundred three thousand, sixty-three".