1163072 has 28 divisors (see below), whose sum is σ = 2446020. Its totient is φ = 546816.

The previous prime is 1163069. The next prime is 1163077. The reversal of 1163072 is 2703611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 732736 + 430336 = 856^2 + 656^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554 + ... + 1622.

2^1163072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1163072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1223010).

1163072 is an abundant number, since it is smaller than the sum of its proper divisors (1282948).

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

1163072 is a wasteful number, since it uses less digits than its factorization.

1163072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1163072 is about 1078.4581586691. The cubic root of 1163072 is about 105.1644286913.

Adding to 1163072 its reverse (2703611), we get a palindrome (3866683).

The spelling of 1163072 in words is "one million, one hundred sixty-three thousand, seventy-two".