1266125 has 16 divisors (see below), whose sum is σ = 1807104. Its totient is φ = 867600.

The previous prime is 1266113. The next prime is 1266149. The reversal of 1266125 is 5216621.

It is not a de Polignac number, because 1266125 - 2¹⁰ = 1265101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1266125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152 + ... + 1598.

It is an arithmetic number, because the mean of its divisors is an integer number (112944).

2^1266125 is an apocalyptic number.

It is an amenable number.

1266125 is a deficient number, since it is larger than the sum of its proper divisors (540979).

1266125 is an equidigital number, since it uses as much as digits as its factorization.

1266125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469 (or 1459 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 1266125 is about 1125.2222002787. Note that the first 4 decimals coincide. The cubic root of 1266125 is about 108.1829603379.

The spelling of 1266125 in words is "one million, two hundred sixty-six thousand, one hundred twenty-five".