1266325 has 12 divisors (see below), whose sum is σ = 1613860. Its totient is φ = 985680.

The previous prime is 1266323. The next prime is 1266337. The reversal of 1266325 is 5236621.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 27556 + 1238769 = 166^2 + 1113^2 .

It is not a de Polignac number, because 1266325 - 2¹ = 1266323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1266325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34207 + ... + 34243.

2^1266325 is an apocalyptic number.

It is an amenable number.

1266325 is a deficient number, since it is larger than the sum of its proper divisors (347535).

1266325 is an frugal number, since it uses more digits than its factorization.

1266325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 42 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 1266325 is about 1125.3110681052. The cubic root of 1266325 is about 108.1886563139.

1266325 divided by its sum of digits (25) gives a cube (50653 = 37³).

The spelling of 1266325 in words is "one million, two hundred sixty-six thousand, three hundred twenty-five".