1130000203 has 4 divisors (see below), whose sum is σ = 1130354680. Its totient is φ = 1129645728.

The previous prime is 1130000191. The next prime is 1130000213. The reversal of 1130000203 is 3020000311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3020000311 = 1723 ⋅1752757.

It is a cyclic number.

It is not a de Polignac number, because 1130000203 - 2⁹ = 1129999691 is a prime.

It is a super-3 number, since 3×1130000203³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1130000203.

It is not an unprimeable number, because it can be changed into a prime (1130000213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172413 + ... + 178846.

It is an arithmetic number, because the mean of its divisors is an integer number (282588670).

Almost surely, 2^1130000203 is an apocalyptic number.

1130000203 is a deficient number, since it is larger than the sum of its proper divisors (354477).

1130000203 is an equidigital number, since it uses as much as digits as its factorization.

1130000203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354476.

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

The square root of 1130000203 is about 33615.4756473860. The cubic root of 1130000203 is about 1041.5804996785.

Adding to 1130000203 its reverse (3020000311), we get a palindrome (4150000514).

The spelling of 1130000203 in words is "one billion, one hundred thirty million, two hundred three", and thus it is an aban number.