1266548 has 6 divisors (see below), whose sum is σ = 2216466. Its totient is φ = 633272.

The previous prime is 1266539. The next prime is 1266557. The reversal of 1266548 is 8456621.

1266548 is nontrivially palindromic in base 8.

It is an interprime number because it is at equal distance from previous prime (1266539) and next prime (1266557).

It can be written as a sum of positive squares in only one way, i.e., 1056784 + 209764 = 1028^2 + 458^2 .

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 as a sum of consecutive naturals, namely, 158315 + ... + 158322.

It is an arithmetic number, because the mean of its divisors is an integer number (369411).

2^1266548 is an apocalyptic number.

It is an amenable number.

1266548 is a deficient number, since it is larger than the sum of its proper divisors (949918).

1266548 is a wasteful number, since it uses less digits than its factorization.

1266548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316641 (or 316639 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 1266548 is about 1125.4101474574. The cubic root of 1266548 is about 108.1950066200.

The spelling of 1266548 in words is "one million, two hundred sixty-six thousand, five hundred forty-eight".