1165056 has 72 divisors (see below), whose sum is σ = 3262224. Its totient is φ = 368640.

The previous prime is 1165051. The next prime is 1165057. The reversal of 1165056 is 6505611.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28396 + ... + 28436.

2^1165056 is an apocalyptic number.

1165056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1165056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1631112).

1165056 is an abundant number, since it is smaller than the sum of its proper divisors (2097168).

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

1165056 is an equidigital number, since it uses as much as digits as its factorization.

1165056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1165056 is about 1079.3775984335. The cubic root of 1165056 is about 105.2241921742.

The spelling of 1165056 in words is "one million, one hundred sixty-five thousand, fifty-six".