1128867116 has 24 divisors (see below), whose sum is σ = 2252628000. Its totient is φ = 490367232.

The previous prime is 1128867067. The next prime is 1128867149. The reversal of 1128867116 is 6117688211.

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, 637616 + ... + 639383.

It is an arithmetic number, because the mean of its divisors is an integer number (93859500).

Almost surely, 2^1128867116 is an apocalyptic number.

It is an amenable number.

1128867116 is a deficient number, since it is larger than the sum of its proper divisors (1123760884).

1128867116 is a wasteful number, since it uses less digits than its factorization.

1128867116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277033 (or 1277031 counting only the distinct ones).

The product of its digits is 32256, while the sum is 41.

The square root of 1128867116 is about 33598.6177691881. The cubic root of 1128867116 is about 1041.2322413285.

The spelling of 1128867116 in words is "one billion, one hundred twenty-eight million, eight hundred sixty-seven thousand, one hundred sixteen".