1121144132 has 12 divisors (see below), whose sum is σ = 1994166636. Its totient is φ = 551382240.

The previous prime is 1121144119. The next prime is 1121144201. The reversal of 1121144132 is 2314411211.

It can be written as a sum of positive squares in 2 ways, for example, as 121572676 + 999571456 = 11026^2 + 31616^2 .

It is an unprimeable number.

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, 2297183 + ... + 2297670.

It is an arithmetic number, because the mean of its divisors is an integer number (166180553).

Almost surely, 2^1121144132 is an apocalyptic number.

It is an amenable number.

1121144132 is a deficient number, since it is larger than the sum of its proper divisors (873022504).

1121144132 is a wasteful number, since it uses less digits than its factorization.

1121144132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594918 (or 4594916 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 1121144132 is about 33483.4904393195. The cubic root of 1121144132 is about 1038.8523249441.

Adding to 1121144132 its reverse (2314411211), we get a palindrome (3435555343).

The spelling of 1121144132 in words is "one billion, one hundred twenty-one million, one hundred forty-four thousand, one hundred thirty-two".