1158966 has 36 divisors (see below), whose sum is σ = 2633436. Its totient is φ = 368280.

The previous prime is 1158961. The next prime is 1158977. The reversal of 1158966 is 6698511.

1158966 is a `hidden beast` number, since 11 + 589 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1158966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158961) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17265 + ... + 17331.

It is an arithmetic number, because the mean of its divisors is an integer number (73151).

2^1158966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1158966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1316718).

1158966 is an abundant number, since it is smaller than the sum of its proper divisors (1474470).

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

1158966 is a wasteful number, since it uses less digits than its factorization.

1158966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 103 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 1158966 is about 1076.5528319595. The cubic root of 1158966 is about 105.0405285722.

The spelling of 1158966 in words is "one million, one hundred fifty-eight thousand, nine hundred sixty-six".