1128058881 has 8 divisors (see below), whose sum is σ = 1519584864. Its totient is φ = 744286080.

The previous prime is 1128058879. The next prime is 1128058903. The reversal of 1128058881 is 1888508211.

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

It is not a de Polignac number, because 1128058881 - 2¹ = 1128058879 is a prime.

It is a super-2 number, since 2×1128058881² = 2545033678005944322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1128058801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1937955 + ... + 1938536.

It is an arithmetic number, because the mean of its divisors is an integer number (189948108).

Almost surely, 2^1128058881 is an apocalyptic number.

It is an amenable number.

1128058881 is a deficient number, since it is larger than the sum of its proper divisors (391525983).

1128058881 is an equidigital number, since it uses as much as digits as its factorization.

1128058881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876591.

The product of its (nonzero) digits is 40960, while the sum is 42.

The square root of 1128058881 is about 33586.5878141856. The cubic root of 1128058881 is about 1040.9836849801.

The spelling of 1128058881 in words is "one billion, one hundred twenty-eight million, fifty-eight thousand, eight hundred eighty-one".