170125428 has 24 divisors (see below), whose sum is σ = 433046880. Its totient is φ = 51553120.

The previous prime is 170125393. The next prime is 170125429. The reversal of 170125428 is 824521071.

170125428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×170125428² = 57885322504366368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 170125395 and 170125404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170125429) 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 7 ways as a sum of consecutive naturals, for example, 644283 + ... + 644546.

It is an arithmetic number, because the mean of its divisors is an integer number (18043620).

Almost surely, 2^170125428 is an apocalyptic number.

It is an amenable number.

170125428 is an abundant number, since it is smaller than the sum of its proper divisors (262921452).

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

170125428 is a wasteful number, since it uses less digits than its factorization.

170125428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288847 (or 1288845 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 170125428 is about 13043.2138677551. The cubic root of 170125428 is about 554.1020330170.

Adding to 170125428 its reverse (824521071), we get a palindrome (994646499).

The spelling of 170125428 in words is "one hundred seventy million, one hundred twenty-five thousand, four hundred twenty-eight".