125500265 has 8 divisors (see below), whose sum is σ = 164291328. Its totient is φ = 91272880.

The previous prime is 125500261. The next prime is 125500279. The reversal of 125500265 is 562005521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125500265 - 2² = 125500261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125500261) 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 7 ways as a sum of consecutive naturals, for example, 1140857 + ... + 1140966.

It is an arithmetic number, because the mean of its divisors is an integer number (20536416).

Almost surely, 2^125500265 is an apocalyptic number.

It is an amenable number.

125500265 is a deficient number, since it is larger than the sum of its proper divisors (38791063).

125500265 is a wasteful number, since it uses less digits than its factorization.

125500265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281839.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 125500265 is about 11202.6900787266. The cubic root of 125500265 is about 500.6661321418. Note that the first 3 decimals are identical.

Adding to 125500265 its reverse (562005521), we get a palindrome (687505786).

The spelling of 125500265 in words is "one hundred twenty-five million, five hundred thousand, two hundred sixty-five".