125333165 has 4 divisors (see below), whose sum is σ = 150399804. Its totient is φ = 100266528.

The previous prime is 125333123. The next prime is 125333179. The reversal of 125333165 is 561333521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 561333521 = 7 ⋅80190503.

It can be written as a sum of positive squares in 2 ways, for example, as 14115049 + 111218116 = 3757^2 + 10546^2 .

It is a cyclic number.

It is not a de Polignac number, because 125333165 - 2¹⁸ = 125071021 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 3 ways as a sum of consecutive naturals, for example, 12533312 + ... + 12533321.

It is an arithmetic number, because the mean of its divisors is an integer number (37599951).

Almost surely, 2^125333165 is an apocalyptic number.

It is an amenable number.

125333165 is a deficient number, since it is larger than the sum of its proper divisors (25066639).

125333165 is an equidigital number, since it uses as much as digits as its factorization.

125333165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25066638.

The product of its digits is 8100, while the sum is 29.

The square root of 125333165 is about 11195.2295644172. The cubic root of 125333165 is about 500.4438259205.

Adding to 125333165 its reverse (561333521), we get a palindrome (686666686).

The spelling of 125333165 in words is "one hundred twenty-five million, three hundred thirty-three thousand, one hundred sixty-five".