1266238 has 16 divisors (see below), whose sum is σ = 1968624. Its totient is φ = 610560.

The previous prime is 1266229. The next prime is 1266241. The reversal of 1266238 is 8326621.

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, 11781 + ... + 11887.

It is an arithmetic number, because the mean of its divisors is an integer number (123039).

2^1266238 is an apocalyptic number.

1266238 is a deficient number, since it is larger than the sum of its proper divisors (702386).

1266238 is a wasteful number, since it uses less digits than its factorization.

1266238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its digits is 3456, while the sum is 28.

The square root of 1266238 is about 1125.2724114631. The cubic root of 1266238 is about 108.1861786380.

The spelling of 1266238 in words is "one million, two hundred sixty-six thousand, two hundred thirty-eight".