1131200133 has 12 divisors (see below), whose sum is σ = 1754514720. Its totient is φ = 646399992.

The previous prime is 1131200123. The next prime is 1131200141. The reversal of 1131200133 is 3310021311.

1131200133 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1131200133 - 2⁸ = 1131199877 is a prime.

It is a super-2 number, since 2×1131200133² = 2559227481798435378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131200123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3847473 + ... + 3847766.

It is an arithmetic number, because the mean of its divisors is an integer number (146209560).

Almost surely, 2^1131200133 is an apocalyptic number.

It is an amenable number.

1131200133 is a deficient number, since it is larger than the sum of its proper divisors (623314587).

1131200133 is an equidigital number, since it uses as much as digits as its factorization.

1131200133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7695256 (or 7695249 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1131200133 is about 33633.3187925307. The cubic root of 1131200133 is about 1041.9490487451.

Adding to 1131200133 its reverse (3310021311), we get a palindrome (4441221444).

The spelling of 1131200133 in words is "one billion, one hundred thirty-one million, two hundred thousand, one hundred thirty-three".