1126581772 has 48 divisors (see below), whose sum is σ = 2151727200. Its totient is φ = 513948672.

The previous prime is 1126581769. The next prime is 1126581793. The reversal of 1126581772 is 2771856211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877443 + ... + 878725.

It is an arithmetic number, because the mean of its divisors is an integer number (44827650).

Almost surely, 2^1126581772 is an apocalyptic number.

It is an amenable number.

1126581772 is a deficient number, since it is larger than the sum of its proper divisors (1025145428).

1126581772 is a wasteful number, since it uses less digits than its factorization.

1126581772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690 (or 1688 counting only the distinct ones).

The product of its digits is 47040, while the sum is 40.

The square root of 1126581772 is about 33564.5910447305. The cubic root of 1126581772 is about 1040.5291230097.

The spelling of 1126581772 in words is "one billion, one hundred twenty-six million, five hundred eighty-one thousand, seven hundred seventy-two".