1180128 has 48 divisors (see below), whose sum is σ = 3265920. Its totient is φ = 372096.

The previous prime is 1180121. The next prime is 1180133. The reversal of 1180128 is 8210811.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180121) 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, 1501 + ... + 2147.

It is an arithmetic number, because the mean of its divisors is an integer number (68040).

2^1180128 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 1180128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632960).

1180128 is an abundant number, since it is smaller than the sum of its proper divisors (2085792).

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

1180128 is a wasteful number, since it uses less digits than its factorization.

1180128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 1180128 is about 1086.3369642979. The cubic root of 1180128 is about 105.6760013027.

Adding to 1180128 its reverse (8210811), we get a palindrome (9390939).

The spelling of 1180128 in words is "one million, one hundred eighty thousand, one hundred twenty-eight".