1013203 has 2 divisors, whose sum is σ = 1013204. Its totient is φ = 1013202.

The previous prime is 1013197. The next prime is 1013227. The reversal of 1013203 is 3023101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1013203 - 2⁹ = 1012691 is a prime.

1013203 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1013203.

It is not a weakly prime, because it can be changed into another prime (1013263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506601 + 506602.

It is an arithmetic number, because the mean of its divisors is an integer number (506602).

2^1013203 is an apocalyptic number.

1013203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013203 is an equidigital number, since it uses as much as digits as its factorization.

1013203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1013203 is about 1006.5798527688. The cubic root of 1013203 is about 100.4381772031.

Adding to 1013203 its reverse (3023101), we get a palindrome (4036304).

The spelling of 1013203 in words is "one million, thirteen thousand, two hundred three".