1143130550 has 24 divisors (see below), whose sum is σ = 2157963816. Its totient is φ = 450426240.

The previous prime is 1143130523. The next prime is 1143130559. The reversal of 1143130550 is 550313411.

1143130550 is nontrivially palindromic in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143130559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167267 + ... + 173966.

It is an arithmetic number, because the mean of its divisors is an integer number (89915159).

Almost surely, 2^1143130550 is an apocalyptic number.

1143130550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143130550 is a deficient number, since it is larger than the sum of its proper divisors (1014833266).

1143130550 is a wasteful number, since it uses less digits than its factorization.

1143130550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341312 (or 341307 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1143130550 is about 33810.2136934980. The cubic root of 1143130550 is about 1045.5992838617.

Adding to 1143130550 its reverse (550313411), we get a palindrome (1693443961).

The spelling of 1143130550 in words is "one billion, one hundred forty-three million, one hundred thirty thousand, five hundred fifty".