1003012201 has 2 divisors, whose sum is σ = 1003012202. Its totient is φ = 1003012200.

The previous prime is 1003012181. The next prime is 1003012237. The reversal of 1003012201 is 1022103001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 875864025 + 127148176 = 29595^2 + 11276^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003012201 - 2⁹ = 1003011689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1003012601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501506100 + 501506101.

It is an arithmetic number, because the mean of its divisors is an integer number (501506101).

Almost surely, 2^1003012201 is an apocalyptic number.

It is an amenable number.

1003012201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003012201 is an equidigital number, since it uses as much as digits as its factorization.

1003012201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1003012201 is about 31670.3678696664. The cubic root of 1003012201 is about 1001.0030605332.

Adding to 1003012201 its reverse (1022103001), we get a palindrome (2025115202).

The spelling of 1003012201 in words is "one billion, three million, twelve thousand, two hundred one".