1083687128 has 8 divisors (see below), whose sum is σ = 2031913380. Its totient is φ = 541843560.

The previous prime is 1083687103. The next prime is 1083687149. The reversal of 1083687128 is 8217863801.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67730438 + ... + 67730453.

Almost surely, 2^1083687128 is an apocalyptic number.

It is an amenable number.

1083687128 is a deficient number, since it is larger than the sum of its proper divisors (948226252).

1083687128 is a wasteful number, since it uses less digits than its factorization.

1083687128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135460897 (or 135460893 counting only the distinct ones).

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

The square root of 1083687128 is about 32919.4035182899. The cubic root of 1083687128 is about 1027.1518159279.

The spelling of 1083687128 in words is "one billion, eighty-three million, six hundred eighty-seven thousand, one hundred twenty-eight".