1166742 has 24 divisors (see below), whose sum is σ = 2577744. Its totient is φ = 381264.

The previous prime is 1166741. The next prime is 1166773. The reversal of 1166742 is 2476611.

It is a super-2 number, since 2×1166742² = 2722573789128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166741) 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 11 ways as a sum of consecutive naturals, for example, 343 + ... + 1565.

It is an arithmetic number, because the mean of its divisors is an integer number (107406).

2^1166742 is an apocalyptic number.

1166742 is an abundant number, since it is smaller than the sum of its proper divisors (1411002).

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

1166742 is a wasteful number, since it uses less digits than its factorization.

1166742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284 (or 1281 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1166742 is about 1080.1583217288. The cubic root of 1166742 is about 105.2749257809.

The spelling of 1166742 in words is "one million, one hundred sixty-six thousand, seven hundred forty-two".