1040203 has 2 divisors, whose sum is σ = 1040204. Its totient is φ = 1040202.

The previous prime is 1040191. The next prime is 1040219. The reversal of 1040203 is 3020401.

It is a weak prime.

It is an emirp because it is prime and its reverse (3020401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1040203.

It is not a weakly prime, because it can be changed into another prime (1040503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520101 + 520102.

It is an arithmetic number, because the mean of its divisors is an integer number (520102).

2^1040203 is an apocalyptic number.

1040203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040203 is an equidigital number, since it uses as much as digits as its factorization.

1040203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 1040203 is about 1019.9034268008. The cubic root of 1040203 is about 101.3225319839.

Adding to 1040203 its reverse (3020401), we get a palindrome (4060604).

The spelling of 1040203 in words is "one million, forty thousand, two hundred three".