128167325 has 24 divisors (see below), whose sum is σ = 186717216. Its totient is φ = 86040000.

The previous prime is 128167289. The next prime is 128167337. The reversal of 128167325 is 523761821.

It is a happy number.

It is not a de Polignac number, because 128167325 - 2¹⁴ = 128150941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14351 + ... + 21500.

It is an arithmetic number, because the mean of its divisors is an integer number (7779884).

Almost surely, 2^128167325 is an apocalyptic number.

It is an amenable number.

128167325 is a deficient number, since it is larger than the sum of its proper divisors (58549891).

128167325 is a wasteful number, since it uses less digits than its factorization.

128167325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35885 (or 35880 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 128167325 is about 11321.1008740316. The cubic root of 128167325 is about 504.1879246400.

The spelling of 128167325 in words is "one hundred twenty-eight million, one hundred sixty-seven thousand, three hundred twenty-five".