1078688132 has 54 divisors (see below), whose sum is σ = 2020871034. Its totient is φ = 503733120.

The previous prime is 1078688123. The next prime is 1078688243. The reversal of 1078688132 is 2318868701.

It can be written as a sum of positive squares in 3 ways, for example, as 29964676 + 1048723456 = 5474^2 + 32384^2 .

It is a super-2 number, since 2×1078688132² = 2327136172235298848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7873568 + ... + 7873704.

Almost surely, 2^1078688132 is an apocalyptic number.

It is an amenable number.

1078688132 is a deficient number, since it is larger than the sum of its proper divisors (942182902).

1078688132 is a wasteful number, since it uses less digits than its factorization.

1078688132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 1078688132 is about 32843.3879494793. The cubic root of 1078688132 is about 1025.5699806671.

The spelling of 1078688132 in words is "one billion, seventy-eight million, six hundred eighty-eight thousand, one hundred thirty-two".