119666728 has 8 divisors (see below), whose sum is σ = 224375130. Its totient is φ = 59833360.

The previous prime is 119666711. The next prime is 119666749. The reversal of 119666728 is 827666911.

It can be written as a sum of positive squares in only one way, i.e., 97180164 + 22486564 = 9858^2 + 4742^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7479163 + ... + 7479178.

Almost surely, 2^119666728 is an apocalyptic number.

It is an amenable number.

119666728 is a deficient number, since it is larger than the sum of its proper divisors (104708402).

119666728 is a wasteful number, since it uses less digits than its factorization.

119666728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14958347 (or 14958343 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 119666728 is about 10939.2288576481. The cubic root of 119666728 is about 492.7853695866.

The spelling of 119666728 in words is "one hundred nineteen million, six hundred sixty-six thousand, seven hundred twenty-eight".