1162788 has 48 divisors (see below), whose sum is σ = 3096576. Its totient is φ = 336160.

The previous prime is 1162771. The next prime is 1162789. The reversal of 1162788 is 8872611.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1162789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2845 + ... + 3227.

It is an arithmetic number, because the mean of its divisors is an integer number (64512).

2^1162788 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 1162788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1548288).

1162788 is an abundant number, since it is smaller than the sum of its proper divisors (1933788).

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

1162788 is a wasteful number, since it uses less digits than its factorization.

1162788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 422 counting only the distinct ones).

The product of its digits is 5376, while the sum is 33.

The square root of 1162788 is about 1078.3264811735. The cubic root of 1162788 is about 105.1558682786.

The spelling of 1162788 in words is "one million, one hundred sixty-two thousand, seven hundred eighty-eight".