1178128 has 40 divisors (see below), whose sum is σ = 2664512. Its totient is φ = 494208.

The previous prime is 1178123. The next prime is 1178131. The reversal of 1178128 is 8218711.

1178128 is nontrivially palindromic in base 13.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1178096 and 1178105.

It is not an unprimeable number, because it can be changed into a prime (1178123) 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, 7426 + ... + 7582.

2^1178128 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 1178128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1332256).

1178128 is an abundant number, since it is smaller than the sum of its proper divisors (1486384).

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

1178128 is a wasteful number, since it uses less digits than its factorization.

1178128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 233 counting only the distinct ones).

The product of its digits is 896, while the sum is 28.

The square root of 1178128 is about 1085.4160492641. The cubic root of 1178128 is about 105.6162700673.

The spelling of 1178128 in words is "one million, one hundred seventy-eight thousand, one hundred twenty-eight".