1266725 has 12 divisors (see below), whose sum is σ = 1639776. Its totient is φ = 968880.

The previous prime is 1266719. The next prime is 1266731. The reversal of 1266725 is 5276621.

It is an interprime number because it is at equal distance from previous prime (1266719) and next prime (1266731).

It is not a de Polignac number, because 1266725 - 2⁸ = 1266469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 527 + ... + 1676.

It is an arithmetic number, because the mean of its divisors is an integer number (136648).

2^1266725 is an apocalyptic number.

It is an amenable number.

1266725 is a deficient number, since it is larger than the sum of its proper divisors (373051).

1266725 is a wasteful number, since it uses less digits than its factorization.

1266725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236 (or 2231 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 1266725 is about 1125.4887827073. The cubic root of 1266725 is about 108.2000464670.

It can be divided in two parts, 1266 and 725, that added together give a palindrome (1991).

The spelling of 1266725 in words is "one million, two hundred sixty-six thousand, seven hundred twenty-five".