1128227801 has 8 divisors (see below), whose sum is σ = 1150023744. Its totient is φ = 1106450800.

The previous prime is 1128227777. The next prime is 1128227827. The reversal of 1128227801 is 1087228211.

It is a happy number.

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 1128227801 - 2¹⁴ = 1128211417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1122227801) 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, 196826 + ... + 202476.

It is an arithmetic number, because the mean of its divisors is an integer number (143752968).

Almost surely, 2^1128227801 is an apocalyptic number.

It is an amenable number.

1128227801 is a deficient number, since it is larger than the sum of its proper divisors (21795943).

1128227801 is an equidigital number, since it uses as much as digits as its factorization.

1128227801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9471.

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 1128227801 is about 33589.1024143248. The cubic root of 1128227801 is about 1041.0356427253.

The spelling of 1128227801 in words is "one billion, one hundred twenty-eight million, two hundred twenty-seven thousand, eight hundred one".