1105131044 has 6 divisors (see below), whose sum is σ = 1933979334. Its totient is φ = 552565520.

The previous prime is 1105131011. The next prime is 1105131091. The reversal of 1105131044 is 4401315011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 615040000 + 490091044 = 24800^2 + 22138^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138141377 + ... + 138141384.

It is an arithmetic number, because the mean of its divisors is an integer number (322329889).

Almost surely, 2^1105131044 is an apocalyptic number.

It is an amenable number.

1105131044 is a deficient number, since it is larger than the sum of its proper divisors (828848290).

1105131044 is a wasteful number, since it uses less digits than its factorization.

1105131044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276282765 (or 276282763 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1105131044 is about 33243.5113067197. The cubic root of 1105131044 is about 1033.8826792053.

Adding to 1105131044 its reverse (4401315011), we get a palindrome (5506446055).

The spelling of 1105131044 in words is "one billion, one hundred five million, one hundred thirty-one thousand, forty-four".