1042403203 has 2 divisors, whose sum is σ = 1042403204. Its totient is φ = 1042403202.

The previous prime is 1042403149. The next prime is 1042403207. The reversal of 1042403203 is 3023042401.

It is a strong prime.

It is an emirp because it is prime and its reverse (3023042401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1042403203 - 2²¹ = 1040306051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042403207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521201601 + 521201602.

It is an arithmetic number, because the mean of its divisors is an integer number (521201602).

Almost surely, 2^1042403203 is an apocalyptic number.

1042403203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042403203 is an equidigital number, since it uses as much as digits as its factorization.

1042403203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1042403203 is about 32286.2695739226. The cubic root of 1042403203 is about 1013.9391969864.

Adding to 1042403203 its reverse (3023042401), we get a palindrome (4065445604).

The spelling of 1042403203 in words is "one billion, forty-two million, four hundred three thousand, two hundred three".