1131065612 has 6 divisors (see below), whose sum is σ = 1979364828. Its totient is φ = 565532804.

The previous prime is 1131065609. The next prime is 1131065629. The reversal of 1131065612 is 2165601311.

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 as a sum of consecutive naturals, namely, 141383198 + ... + 141383205.

It is an arithmetic number, because the mean of its divisors is an integer number (329894138).

Almost surely, 2^1131065612 is an apocalyptic number.

It is an amenable number.

1131065612 is a deficient number, since it is larger than the sum of its proper divisors (848299216).

1131065612 is a wasteful number, since it uses less digits than its factorization.

1131065612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282766407 (or 282766405 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1131065612 is about 33631.3189155585. The cubic root of 1131065612 is about 1041.9077446527.

Adding to 1131065612 its reverse (2165601311), we get a palindrome (3296666923).

The spelling of 1131065612 in words is "one billion, one hundred thirty-one million, sixty-five thousand, six hundred twelve".