1128881834 has 8 divisors (see below), whose sum is σ = 1693607808. Its totient is φ = 564345900.

The previous prime is 1128881777. The next prime is 1128881839. The reversal of 1128881834 is 4381888211.

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

It is not an unprimeable number, because it can be changed into a prime (1128881839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31592 + ... + 57059.

It is an arithmetic number, because the mean of its divisors is an integer number (211700976).

Almost surely, 2^1128881834 is an apocalyptic number.

1128881834 is a deficient number, since it is larger than the sum of its proper divisors (564725974).

1128881834 is an equidigital number, since it uses as much as digits as its factorization.

1128881834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95020.

The product of its digits is 98304, while the sum is 44.

The square root of 1128881834 is about 33598.8367953416. The cubic root of 1128881834 is about 1041.2367664520.

The spelling of 1128881834 in words is "one billion, one hundred twenty-eight million, eight hundred eighty-one thousand, eight hundred thirty-four".