1166142 has 16 divisors (see below), whose sum is σ = 2344320. Its totient is φ = 386712.

The previous prime is 1166141. The next prime is 1166147. The reversal of 1166142 is 2416611.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209 + ... + 1947.

It is an arithmetic number, because the mean of its divisors is an integer number (146520).

2^1166142 is an apocalyptic number.

1166142 is an abundant number, since it is smaller than the sum of its proper divisors (1178178).

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

1166142 is a wasteful number, since it uses less digits than its factorization.

1166142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007.

The product of its digits is 288, while the sum is 21.

The square root of 1166142 is about 1079.8805489497. The cubic root of 1166142 is about 105.2568767217.

The spelling of 1166142 in words is "one million, one hundred sixty-six thousand, one hundred forty-two".