1116142772 has 12 divisors (see below), whose sum is σ = 1953568260. Its totient is φ = 557980416.

The previous prime is 1116142751. The next prime is 1116142829. The reversal of 1116142772 is 2772416111.

It can be written as a sum of positive squares in 2 ways, for example, as 221295376 + 894847396 = 14876^2 + 29914^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10148 + ... + 48324.

It is an arithmetic number, because the mean of its divisors is an integer number (162797355).

Almost surely, 2^1116142772 is an apocalyptic number.

It is an amenable number.

1116142772 is a deficient number, since it is larger than the sum of its proper divisors (837425488).

1116142772 is a wasteful number, since it uses less digits than its factorization.

1116142772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45490 (or 45488 counting only the distinct ones).

The product of its digits is 4704, while the sum is 32.

The square root of 1116142772 is about 33408.7229926557. The cubic root of 1116142772 is about 1037.3052685670.

Adding to 1116142772 its reverse (2772416111), we get a palindrome (3888558883).

The spelling of 1116142772 in words is "one billion, one hundred sixteen million, one hundred forty-two thousand, seven hundred seventy-two".