1022503 has 2 divisors, whose sum is σ = 1022504. Its totient is φ = 1022502.

The previous prime is 1022501. The next prime is 1022507. The reversal of 1022503 is 3052201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022503 - 2¹ = 1022501 is a prime.

Together with 1022501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511251 + 511252.

It is an arithmetic number, because the mean of its divisors is an integer number (511252).

2^1022503 is an apocalyptic number.

1022503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022503 is an equidigital number, since it uses as much as digits as its factorization.

1022503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1022503 is about 1011.1889042113. The cubic root of 1022503 is about 100.7445428024.

Adding to 1022503 its reverse (3052201), we get a palindrome (4074704).

The spelling of 1022503 in words is "one million, twenty-two thousand, five hundred three".