266240125 has 32 divisors (see below), whose sum is σ = 340778880. Its totient is φ = 207619200.

The previous prime is 266240119. The next prime is 266240231. The reversal of 266240125 is 521042662.

It is not a de Polignac number, because 266240125 - 2⁹ = 266239613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266240093 and 266240102.

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 31 ways as a sum of consecutive naturals, for example, 1487286 + ... + 1487464.

It is an arithmetic number, because the mean of its divisors is an integer number (10649340).

Almost surely, 2^266240125 is an apocalyptic number.

266240125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266240125 is a deficient number, since it is larger than the sum of its proper divisors (74538755).

266240125 is a wasteful number, since it uses less digits than its factorization.

266240125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 266240125 is about 16316.8662738897. The cubic root of 266240125 is about 643.3162220535.

Adding to 266240125 its reverse (521042662), we get a palindrome (787282787).

The spelling of 266240125 in words is "two hundred sixty-six million, two hundred forty thousand, one hundred twenty-five".