1129807960 has 16 divisors (see below), whose sum is σ = 2542068000. Its totient is φ = 451923168.

The previous prime is 1129807957. The next prime is 1129807967. The reversal of 1129807960 is 697089211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129807967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14122560 + ... + 14122639.

It is an arithmetic number, because the mean of its divisors is an integer number (158879250).

Almost surely, 2^1129807960 is an apocalyptic number.

1129807960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1129807960 is an abundant number, since it is smaller than the sum of its proper divisors (1412260040).

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

1129807960 is a wasteful number, since it uses less digits than its factorization.

1129807960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28245210 (or 28245206 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 1129807960 is about 33612.6160838457. The cubic root of 1129807960 is about 1041.5214295073.

The spelling of 1129807960 in words is "one billion, one hundred twenty-nine million, eight hundred seven thousand, nine hundred sixty".