125802165 has 16 divisors (see below), whose sum is σ = 201715200. Its totient is φ = 66950592.

The previous prime is 125802163. The next prime is 125802179. The reversal of 125802165 is 561208521.

It is not a de Polignac number, because 125802165 - 2¹ = 125802163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125802163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1570 + ... + 15939.

It is an arithmetic number, because the mean of its divisors is an integer number (12607200).

Almost surely, 2^125802165 is an apocalyptic number.

125802165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125802165 is a deficient number, since it is larger than the sum of its proper divisors (75913035).

125802165 is a wasteful number, since it uses less digits than its factorization.

125802165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17996.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 125802165 is about 11216.1564272259. The cubic root of 125802165 is about 501.0672735667.

The spelling of 125802165 in words is "one hundred twenty-five million, eight hundred two thousand, one hundred sixty-five".