1240266 has 16 divisors (see below), whose sum is σ = 2491488. Its totient is φ = 411600.

The previous prime is 1240247. The next prime is 1240271. The reversal of 1240266 is 6620421.

It is a happy 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, 2281 + ... + 2771.

It is an arithmetic number, because the mean of its divisors is an integer number (155718).

2^1240266 is an apocalyptic number.

1240266 is an abundant number, since it is smaller than the sum of its proper divisors (1251222).

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

1240266 is a wasteful number, since it uses less digits than its factorization.

1240266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1240266 is about 1113.6723036872. The cubic root of 1240266 is about 107.4413886373.

Adding to 1240266 its reverse (6620421), we get a palindrome (7860687).

The spelling of 1240266 in words is "one million, two hundred forty thousand, two hundred sixty-six".