1010203 has 2 divisors, whose sum is σ = 1010204. Its totient is φ = 1010202.

The previous prime is 1010201. The next prime is 1010237. The reversal of 1010203 is 3020101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1010203 - 2¹ = 1010201 is a prime.

Together with 1010201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1010201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505101 + 505102.

It is an arithmetic number, because the mean of its divisors is an integer number (505102).

2^1010203 is an apocalyptic number.

1010203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010203 is an equidigital number, since it uses as much as digits as its factorization.

1010203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 1010203 is about 1005.0885533126. The cubic root of 1010203 is about 100.3389498321.

Adding to 1010203 its reverse (3020101), we get a palindrome (4030304).

The spelling of 1010203 in words is "one million, ten thousand, two hundred three".