172848128 has 88 divisors (see below), whose sum is σ = 371407680. Its totient is φ = 80199680.

The previous prime is 172848119. The next prime is 172848139. The reversal of 172848128 is 821848271.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965543 + ... + 965721.

Almost surely, 2^172848128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172848128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185703840).

172848128 is an abundant number, since it is smaller than the sum of its proper divisors (198559552).

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

172848128 is a wasteful number, since it uses less digits than its factorization.

172848128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 245 counting only the distinct ones).

The product of its digits is 57344, while the sum is 41.

The square root of 172848128 is about 13147.1718631803. The cubic root of 172848128 is about 557.0423659713.

The spelling of 172848128 in words is "one hundred seventy-two million, eight hundred forty-eight thousand, one hundred twenty-eight".