1266364 has 24 divisors (see below), whose sum is σ = 2561328. Its totient is φ = 541440.

The previous prime is 1266359. The next prime is 1266371. The reversal of 1266364 is 4636621.

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 7 ways as a sum of consecutive naturals, for example, 99 + ... + 1594.

It is an arithmetic number, because the mean of its divisors is an integer number (106722).

2^1266364 is an apocalyptic number.

It is an amenable number.

1266364 is an abundant number, since it is smaller than the sum of its proper divisors (1294964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1266364 is a wasteful number, since it uses less digits than its factorization.

1266364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725 (or 1723 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 1266364 is about 1125.3283965137. The cubic root of 1266364 is about 108.1897669593.

The spelling of 1266364 in words is "one million, two hundred sixty-six thousand, three hundred sixty-four".