1019091104 has 24 divisors (see below), whose sum is σ = 2008993140. Its totient is φ = 508870656.

The previous prime is 1019091103. The next prime is 1019091113. The reversal of 1019091104 is 4011909101.

It can be written as a sum of positive squares in 2 ways, for example, as 1007935504 + 11155600 = 31748^2 + 3340^2 .

It is not an unprimeable number, because it can be changed into a prime (1019091103) 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, 3902 + ... + 45314.

Almost surely, 2^1019091104 is an apocalyptic number.

It is an amenable number.

1019091104 is a deficient number, since it is larger than the sum of its proper divisors (989902036).

1019091104 is an equidigital number, since it uses as much as digits as its factorization.

1019091104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42192 (or 42184 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 1019091104 is about 31923.2063552520. The cubic root of 1019091104 is about 1006.3236287623.

The spelling of 1019091104 in words is "one billion, nineteen million, ninety-one thousand, one hundred four".