1100205044 has 12 divisors (see below), whose sum is σ = 1928504004. Its totient is φ = 549203904.

The previous prime is 1100204993. The next prime is 1100205053. The reversal of 1100205044 is 4405020011.

It can be written as a sum of positive squares in 2 ways, for example, as 184416400 + 915788644 = 13580^2 + 30262^2 .

It is a super-3 number, since 3×1100205044³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent 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, 221897 + ... + 226800.

It is an arithmetic number, because the mean of its divisors is an integer number (160708667).

Almost surely, 2^1100205044 is an apocalyptic number.

It is an amenable number.

1100205044 is a deficient number, since it is larger than the sum of its proper divisors (828298960).

1100205044 is a wasteful number, since it uses less digits than its factorization.

1100205044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449314 (or 449312 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1100205044 is about 33169.3389141237. The cubic root of 1100205044 is about 1032.3442517272.

Adding to 1100205044 its reverse (4405020011), we get a palindrome (5505225055).

The spelling of 1100205044 in words is "one billion, one hundred million, two hundred five thousand, forty-four".