1130001203 has 4 divisors (see below), whose sum is σ = 1196471880. Its totient is φ = 1063530528.

The previous prime is 1130001199. The next prime is 1130001239. The reversal of 1130001203 is 3021000311.

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

It is a cyclic number.

It is not a de Polignac number, because 1130001203 - 2² = 1130001199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130001253) 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, 33235313 + ... + 33235346.

It is an arithmetic number, because the mean of its divisors is an integer number (299117970).

Almost surely, 2^1130001203 is an apocalyptic number.

1130001203 is a deficient number, since it is larger than the sum of its proper divisors (66470677).

1130001203 is an equidigital number, since it uses as much as digits as its factorization.

1130001203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66470676.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1130001203 is about 33615.4905214843. The cubic root of 1130001203 is about 1041.5808069292.

Adding to 1130001203 its reverse (3021000311), we get a palindrome (4151001514).

The spelling of 1130001203 in words is "one billion, one hundred thirty million, one thousand, two hundred three".