118971128 has 8 divisors (see below), whose sum is σ = 223070880. Its totient is φ = 59485560.

The previous prime is 118971113. The next prime is 118971131. The reversal of 118971128 is 821179811.

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

It is a junction number, because it is equal to n+sod(n) for n = 118971091 and 118971100.

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, 7435688 + ... + 7435703.

It is an arithmetic number, because the mean of its divisors is an integer number (27883860).

Almost surely, 2^118971128 is an apocalyptic number.

It is an amenable number.

118971128 is a deficient number, since it is larger than the sum of its proper divisors (104099752).

118971128 is a wasteful number, since it uses less digits than its factorization.

118971128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14871397 (or 14871393 counting only the distinct ones).

The product of its digits is 8064, while the sum is 38.

The square root of 118971128 is about 10907.3886884075. The cubic root of 118971128 is about 491.8286908822.

The spelling of 118971128 in words is "one hundred eighteen million, nine hundred seventy-one thousand, one hundred twenty-eight".