1132143121 has 4 divisors (see below), whose sum is σ = 1132268544. Its totient is φ = 1132017700.

The previous prime is 1132143119. The next prime is 1132143137. The reversal of 1132143121 is 1213412311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1213412311 = 23 ⋅52757057.

It is a cyclic number.

It is not a de Polignac number, because 1132143121 - 2¹ = 1132143119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132146121) 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 3 ways as a sum of consecutive naturals, for example, 48025 + ... + 67606.

It is an arithmetic number, because the mean of its divisors is an integer number (283067136).

Almost surely, 2^1132143121 is an apocalyptic number.

It is an amenable number.

1132143121 is a deficient number, since it is larger than the sum of its proper divisors (125423).

1132143121 is an equidigital number, since it uses as much as digits as its factorization.

1132143121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125422.

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

The square root of 1132143121 is about 33647.3345303904. The cubic root of 1132143121 is about 1042.2384972476.

Adding to 1132143121 its reverse (1213412311), we get a palindrome (2345555432).

The spelling of 1132143121 in words is "one billion, one hundred thirty-two million, one hundred forty-three thousand, one hundred twenty-one".