1166140 has 24 divisors (see below), whose sum is σ = 2469600. Its totient is φ = 462528.

The previous prime is 1166131. The next prime is 1166141. The reversal of 1166140 is 416611.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166141) by changing a digit.

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, 3834 + ... + 4126.

It is an arithmetic number, because the mean of its divisors is an integer number (102900).

2^1166140 is an apocalyptic number.

1166140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166140 is an abundant number, since it is smaller than the sum of its proper divisors (1303460).

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

1166140 is a wasteful number, since it uses less digits than its factorization.

1166140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1166140 is about 1079.8796229210. The cubic root of 1166140 is about 105.2568165478.

The spelling of 1166140 in words is "one million, one hundred sixty-six thousand, one hundred forty".