1003111201 has 4 divisors (see below), whose sum is σ = 1003598100. Its totient is φ = 1002624304.

The previous prime is 1003111199. The next prime is 1003111253. The reversal of 1003111201 is 1021113001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104550625 + 898560576 = 10225^2 + 29976^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003111201 - 2¹ = 1003111199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003111001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240346 + ... + 244483.

It is an arithmetic number, because the mean of its divisors is an integer number (250899525).

Almost surely, 2^1003111201 is an apocalyptic number.

It is an amenable number.

1003111201 is a deficient number, since it is larger than the sum of its proper divisors (486899).

1003111201 is an equidigital number, since it uses as much as digits as its factorization.

1003111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486898.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1003111201 is about 31671.9308063149. The cubic root of 1003111201 is about 1001.0359933471.

Adding to 1003111201 its reverse (1021113001), we get a palindrome (2024224202).

The spelling of 1003111201 in words is "one billion, three million, one hundred eleven thousand, two hundred one".