1131143122 has 16 divisors (see below), whose sum is σ = 1740258432. Its totient is φ = 551118960.

The previous prime is 1131143099. The next prime is 1131143149. The reversal of 1131143122 is 2213411311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131143122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21808 + ... + 52324.

It is an arithmetic number, because the mean of its divisors is an integer number (108766152).

Almost surely, 2^1131143122 is an apocalyptic number.

1131143122 is a deficient number, since it is larger than the sum of its proper divisors (609115310).

1131143122 is a wasteful number, since it uses less digits than its factorization.

1131143122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30993.

The product of its digits is 144, while the sum is 19.

The square root of 1131143122 is about 33632.4712443198. The cubic root of 1131143122 is about 1041.9315441635.

Adding to 1131143122 its reverse (2213411311), we get a palindrome (3344554433).

The spelling of 1131143122 in words is "one billion, one hundred thirty-one million, one hundred forty-three thousand, one hundred twenty-two".