1211132003 has 8 divisors (see below), whose sum is σ = 1303398720. Its totient is φ = 1121201280.

The previous prime is 1211131993. The next prime is 1211132011. The reversal of 1211132003 is 3002311121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1211132003 - 2⁶ = 1211131939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211132603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582923 + ... + 584996.

It is an arithmetic number, because the mean of its divisors is an integer number (162924840).

Almost surely, 2^1211132003 is an apocalyptic number.

1211132003 is a deficient number, since it is larger than the sum of its proper divisors (92266717).

1211132003 is a wasteful number, since it uses less digits than its factorization.

1211132003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167997.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1211132003 is about 34801.3218570789. The cubic root of 1211132003 is about 1065.9344375806.

Adding to 1211132003 its reverse (3002311121), we get a palindrome (4213443124).

The spelling of 1211132003 in words is "one billion, two hundred eleven million, one hundred thirty-two thousand, three".