1107107128 has 16 divisors (see below), whose sum is σ = 2088258480. Its totient is φ = 550238208.

The previous prime is 1107107087. The next prime is 1107107147. The reversal of 1107107128 is 8217017011.

It is a junction number, because it is equal to n+sod(n) for n = 1107107096 and 1107107105.

It is a congruent number.

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, 413001 + ... + 415672.

It is an arithmetic number, because the mean of its divisors is an integer number (130516155).

Almost surely, 2^1107107128 is an apocalyptic number.

It is an amenable number.

1107107128 is a deficient number, since it is larger than the sum of its proper divisors (981151352).

1107107128 is a wasteful number, since it uses less digits than its factorization.

1107107128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828846 (or 828842 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 28.

The square root of 1107107128 is about 33273.2193813583. The cubic root of 1107107128 is about 1034.4985405612.

The spelling of 1107107128 in words is "one billion, one hundred seven million, one hundred seven thousand, one hundred twenty-eight".