117250128 has 30 divisors (see below), whose sum is σ = 328137914. Its totient is φ = 39083328.

The previous prime is 117250127. The next prime is 117250129. The reversal of 117250128 is 821052711.

It is an interprime number because it is at equal distance from previous prime (117250127) and next prime (117250129).

It can be written as a sum of positive squares in only one way, i.e., 113039424 + 4210704 = 10632^2 + 2052^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117250127) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 406975 + ... + 407262.

Almost surely, 2^117250128 is an apocalyptic number.

117250128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

117250128 is an abundant number, since it is smaller than the sum of its proper divisors (210887786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117250128 is a wasteful number, since it uses less digits than its factorization.

117250128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814251 (or 814242 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 117250128 is about 10828.2098243431. The cubic root of 117250128 is about 489.4456148498.

The spelling of 117250128 in words is "one hundred seventeen million, two hundred fifty thousand, one hundred twenty-eight".