1140666 has 32 divisors (see below), whose sum is σ = 2472768. Its totient is φ = 349440.

The previous prime is 1140637. The next prime is 1140677. The reversal of 1140666 is 6660411.

It is a super-2 number, since 2×1140666² = 2602237847112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5301 + ... + 5511.

It is an arithmetic number, because the mean of its divisors is an integer number (77274).

2^1140666 is an apocalyptic number.

1140666 is an abundant number, since it is smaller than the sum of its proper divisors (1332102).

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

1140666 is a wasteful number, since it uses less digits than its factorization.

1140666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1140666 is about 1068.0196627403. The cubic root of 1140666 is about 104.4847317879.

The spelling of 1140666 in words is "one million, one hundred forty thousand, six hundred sixty-six".