1111227889 has 8 divisors (see below), whose sum is σ = 1130652000. Its totient is φ = 1091823552.

The previous prime is 1111227869. The next prime is 1111227907. The reversal of 1111227889 is 9887221111.

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 1111227889 - 2⁵ = 1111227857 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1111227809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150322 + ... + 157540.

It is an arithmetic number, because the mean of its divisors is an integer number (141331500).

Almost surely, 2^1111227889 is an apocalyptic number.

It is an amenable number.

1111227889 is a deficient number, since it is larger than the sum of its proper divisors (19424111).

1111227889 is an equidigital number, since it uses as much as digits as its factorization.

1111227889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9887.

The product of its digits is 16128, while the sum is 40.

The square root of 1111227889 is about 33335.0849556440. The cubic root of 1111227889 is about 1035.7804529854.

The spelling of 1111227889 in words is "one billion, one hundred eleven million, two hundred twenty-seven thousand, eight hundred eighty-nine".