1128801 has 8 divisors (see below), whose sum is σ = 1509984. Its totient is φ = 750080.

The previous prime is 1128781. The next prime is 1128811. The reversal of 1128801 is 1088211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1128801 - 2⁵ = 1128769 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128811) 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, 1441 + ... + 2081.

It is an arithmetic number, because the mean of its divisors is an integer number (188748).

2^1128801 is an apocalyptic number.

It is an amenable number.

1128801 is a deficient number, since it is larger than the sum of its proper divisors (381183).

1128801 is an equidigital number, since it uses as much as digits as its factorization.

1128801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231.

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

The square root of 1128801 is about 1062.4504694338. The cubic root of 1128801 is about 104.1211913145.

The spelling of 1128801 in words is "one million, one hundred twenty-eight thousand, eight hundred one".