1105131408 has 40 divisors (see below), whose sum is σ = 2908795968. Its totient is φ = 361425792.

The previous prime is 1105131403. The next prime is 1105131413. The reversal of 1105131408 is 8041315011.

It is an interprime number because it is at equal distance from previous prime (1105131403) and next prime (1105131413).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1105131403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214660 + ... + 219747.

Almost surely, 2^1105131408 is an apocalyptic number.

It is an amenable number.

1105131408 is an abundant number, since it is smaller than the sum of its proper divisors (1803664560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1105131408 is a wasteful number, since it uses less digits than its factorization.

1105131408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434471 (or 434465 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 1105131408 is about 33243.5167814718. The cubic root of 1105131408 is about 1033.8827927162.

Adding to 1105131408 its reverse (8041315011), we get a palindrome (9146446419).

The spelling of 1105131408 in words is "one billion, one hundred five million, one hundred thirty-one thousand, four hundred eight".