1402603 has 2 divisors, whose sum is σ = 1402604. Its totient is φ = 1402602.

The previous prime is 1402589. The next prime is 1402673. The reversal of 1402603 is 3062041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1402603 - 2⁵ = 1402571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1402673) 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 as a sum of consecutive naturals, namely, 701301 + 701302.

It is an arithmetic number, because the mean of its divisors is an integer number (701302).

2^1402603 is an apocalyptic number.

1402603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402603 is an equidigital number, since it uses as much as digits as its factorization.

1402603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1402603 is about 1184.3154140684. The cubic root of 1402603 is about 111.9381833620.

Adding to 1402603 its reverse (3062041), we get a palindrome (4464644).

The spelling of 1402603 in words is "one million, four hundred two thousand, six hundred three".