1128968632 has 32 divisors (see below), whose sum is σ = 2311816320. Its totient is φ = 512598240.

The previous prime is 1128968629. The next prime is 1128968641. The reversal of 1128968632 is 2368698211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78463 + ... + 91729.

It is an arithmetic number, because the mean of its divisors is an integer number (72244260).

Almost surely, 2^1128968632 is an apocalyptic number.

It is an amenable number.

1128968632 is an abundant number, since it is smaller than the sum of its proper divisors (1182847688).

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

1128968632 is a wasteful number, since it uses less digits than its factorization.

1128968632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14251 (or 14247 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 1128968632 is about 33600.1284521354. The cubic root of 1128968632 is about 1041.2634521363.

The spelling of 1128968632 in words is "one billion, one hundred twenty-eight million, nine hundred sixty-eight thousand, six hundred thirty-two".