117449128 has 8 divisors (see below), whose sum is σ = 220217130. Its totient is φ = 58724560.

The previous prime is 117449081. The next prime is 117449153. The reversal of 117449128 is 821944711.

It can be written as a sum of positive squares in only one way, i.e., 99960004 + 17489124 = 9998^2 + 4182^2 .

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, 7340563 + ... + 7340578.

Almost surely, 2^117449128 is an apocalyptic number.

It is an amenable number.

117449128 is a deficient number, since it is larger than the sum of its proper divisors (102768002).

117449128 is a wasteful number, since it uses less digits than its factorization.

117449128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14681147 (or 14681143 counting only the distinct ones).

The product of its digits is 16128, while the sum is 37.

The square root of 117449128 is about 10837.3948899170. The cubic root of 117449128 is about 489.7223583321.

The spelling of 117449128 in words is "one hundred seventeen million, four hundred forty-nine thousand, one hundred twenty-eight".