1128744776 has 16 divisors (see below), whose sum is σ = 2118590640. Its totient is φ = 563787280.

The previous prime is 1128744769. The next prime is 1128744787. The reversal of 1128744776 is 6774478211.

It is a self number, because there is not a number n which added to its sum of digits gives 1128744776.

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, 64886 + ... + 80421.

It is an arithmetic number, because the mean of its divisors is an integer number (132411915).

Almost surely, 2^1128744776 is an apocalyptic number.

It is an amenable number.

1128744776 is a deficient number, since it is larger than the sum of its proper divisors (989845864).

1128744776 is a wasteful number, since it uses less digits than its factorization.

1128744776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146284 (or 146280 counting only the distinct ones).

The product of its digits is 526848, while the sum is 47.

The square root of 1128744776 is about 33596.7971092484. The cubic root of 1128744776 is about 1041.1946257542.

The spelling of 1128744776 in words is "one billion, one hundred twenty-eight million, seven hundred forty-four thousand, seven hundred seventy-six".