1129768560 has 100 divisors (see below), whose sum is σ = 3923876088. Its totient is φ = 301269888.

The previous prime is 1129768553. The next prime is 1129768583. The reversal of 1129768560 is 658679211.

1129768560 is a `hidden beast` number, since 1 + 1 + 29 + 7 + 68 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 80694 + ... + 93653.

Almost surely, 2^1129768560 is an apocalyptic number.

1129768560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1129768560 is an abundant number, since it is smaller than the sum of its proper divisors (2794107528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1129768560 is a wasteful number, since it uses less digits than its factorization.

1129768560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174372 (or 174357 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 1129768560 is about 33612.0299892762. The cubic root of 1129768560 is about 1041.5093223107.

The spelling of 1129768560 in words is "one billion, one hundred twenty-nine million, seven hundred sixty-eight thousand, five hundred sixty".