117152128 has 16 divisors (see below), whose sum is σ = 233389260. Its totient is φ = 58576000.

The previous prime is 117152107. The next prime is 117152137. The reversal of 117152128 is 821251711.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 117152096 and 117152105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457498 + ... + 457753.

Almost surely, 2^117152128 is an apocalyptic number.

It is an amenable number.

117152128 is a deficient number, since it is larger than the sum of its proper divisors (116237132).

117152128 is an frugal number, since it uses more digits than its factorization.

117152128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915265 (or 915253 counting only the distinct ones).

The product of its digits is 1120, while the sum is 28.

The square root of 117152128 is about 10823.6836613050. The cubic root of 117152128 is about 489.3092140321.

It can be divided in two parts, 11715212 and 8, that added together give a triangular number (11715220 = T₄₈₄₀).

The spelling of 117152128 in words is "one hundred seventeen million, one hundred fifty-two thousand, one hundred twenty-eight".