1129573668 has 12 divisors (see below), whose sum is σ = 2635671920. Its totient is φ = 376524552.

The previous prime is 1129573637. The next prime is 1129573673. The reversal of 1129573668 is 8663759211.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47065558 + ... + 47065581.

Almost surely, 2^1129573668 is an apocalyptic number.

It is an amenable number.

1129573668 is an abundant number, since it is smaller than the sum of its proper divisors (1506098252).

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

1129573668 is a wasteful number, since it uses less digits than its factorization.

1129573668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94131146 (or 94131144 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 1129573668 is about 33609.1307236590. The cubic root of 1129573668 is about 1041.4494299531.

The spelling of 1129573668 in words is "one billion, one hundred twenty-nine million, five hundred seventy-three thousand, six hundred sixty-eight".