116957128 has 8 divisors (see below), whose sum is σ = 219294630. Its totient is φ = 58478560.

The previous prime is 116957123. The next prime is 116957149. The reversal of 116957128 is 821759611.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 62758084 + 54199044 = 7922^2 + 7362^2 .

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

It is not an unprimeable number, because it can be changed into a prime (116957123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7309813 + ... + 7309828.

Almost surely, 2^116957128 is an apocalyptic number.

It is an amenable number.

116957128 is a deficient number, since it is larger than the sum of its proper divisors (102337502).

116957128 is a wasteful number, since it uses less digits than its factorization.

116957128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14619647 (or 14619643 counting only the distinct ones).

The product of its digits is 30240, while the sum is 40.

The square root of 116957128 is about 10814.6718859150. The cubic root of 116957128 is about 489.0375778071.

The spelling of 116957128 in words is "one hundred sixteen million, nine hundred fifty-seven thousand, one hundred twenty-eight".