117951028 has 12 divisors (see below), whose sum is σ = 222292420. Its totient is φ = 54438912.

The previous prime is 117951017. The next prime is 117951073. The reversal of 117951028 is 820159711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36626704 + 81324324 = 6052^2 + 9018^2 .

It is a junction number, because it is equal to n+sod(n) for n = 117950984 and 117951002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134093 + ... + 1134196.

Almost surely, 2^117951028 is an apocalyptic number.

It is an amenable number.

117951028 is a deficient number, since it is larger than the sum of its proper divisors (104341392).

117951028 is a wasteful number, since it uses less digits than its factorization.

117951028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268306 (or 2268304 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 34.

The square root of 117951028 is about 10860.5261382679. The cubic root of 117951028 is about 490.4189503165.

The spelling of 117951028 in words is "one hundred seventeen million, nine hundred fifty-one thousand, twenty-eight".