1129077764 has 12 divisors (see below), whose sum is σ = 2044020300. Its totient is φ = 545071968.

The previous prime is 1129077743. The next prime is 1129077773. The reversal of 1129077764 is 4677709211.

It can be written as a sum of positive squares in 2 ways, for example, as 725871364 + 403206400 = 26942^2 + 20080^2 .

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 3 ways as a sum of consecutive naturals, for example, 4866599 + ... + 4866830.

It is an arithmetic number, because the mean of its divisors is an integer number (170335025).

Almost surely, 2^1129077764 is an apocalyptic number.

It is an amenable number.

1129077764 is a deficient number, since it is larger than the sum of its proper divisors (914942536).

1129077764 is a wasteful number, since it uses less digits than its factorization.

1129077764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9733462 (or 9733460 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 1129077764 is about 33601.7523947785. The cubic root of 1129077764 is about 1041.2970023751.

The spelling of 1129077764 in words is "one billion, one hundred twenty-nine million, seventy-seven thousand, seven hundred sixty-four".