1140266 has 16 divisors (see below), whose sum is σ = 1851360. Its totient is φ = 524880.

The previous prime is 1140257. The next prime is 1140281. The reversal of 1140266 is 6620411.

It is a happy number.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (115710).

2^1140266 is an apocalyptic number.

1140266 is a deficient number, since it is larger than the sum of its proper divisors (711094).

1140266 is a wasteful number, since it uses less digits than its factorization.

1140266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1140266 is about 1067.8323838506. The cubic root of 1140266 is about 104.4725170587.

Adding to 1140266 its reverse (6620411), we get a palindrome (7760677).

The spelling of 1140266 in words is "one million, one hundred forty thousand, two hundred sixty-six".