1049089105 has 4 divisors (see below), whose sum is σ = 1258906932. Its totient is φ = 839271280.

The previous prime is 1049089051. The next prime is 1049089141. The reversal of 1049089105 is 5019809401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 799701841 + 249387264 = 28279^2 + 15792^2 .

It is not a de Polignac number, because 1049089105 - 2¹⁹ = 1048564817 is a prime.

It is a super-2 number, since 2×1049089105² = 2201175900459402050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104908906 + ... + 104908915.

It is an arithmetic number, because the mean of its divisors is an integer number (314726733).

Almost surely, 2^1049089105 is an apocalyptic number.

It is an amenable number.

1049089105 is a deficient number, since it is larger than the sum of its proper divisors (209817827).

1049089105 is an equidigital number, since it uses as much as digits as its factorization.

1049089105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209817826.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 1049089105 is about 32389.6450273849. The cubic root of 1049089105 is about 1016.1023573819.

The spelling of 1049089105 in words is "one billion, forty-nine million, eighty-nine thousand, one hundred five".