1000201003 has 2 divisors, whose sum is σ = 1000201004. Its totient is φ = 1000201002.

The previous prime is 1000200997. The next prime is 1000201009. The reversal of 1000201003 is 3001020001.

It is a balanced prime because it is at equal distance from previous prime (1000200997) and next prime (1000201009).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000201003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000201009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500100501 + 500100502.

It is an arithmetic number, because the mean of its divisors is an integer number (500100502).

Almost surely, 2^1000201003 is an apocalyptic number.

1000201003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000201003 is an equidigital number, since it uses as much as digits as its factorization.

1000201003 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 1000201003 is about 31625.9545784787. The cubic root of 1000201003 is about 1000.0669965114.

Adding to 1000201003 its reverse (3001020001), we get a palindrome (4001221004).

The spelling of 1000201003 in words is "one billion, two hundred one thousand, three".