1163125105 has 8 divisors (see below), whose sum is σ = 1429793064. Its totient is φ = 907804800.

The previous prime is 1163125039. The next prime is 1163125129. The reversal of 1163125105 is 5015213611.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 97298496 + 1065826609 = 9864^2 + 32647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1163125105 - 2²³ = 1154736497 is a prime.

It is a super-2 number, since 2×1163125105² = 2705720019762522050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1163125105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2836686 + ... + 2837095.

It is an arithmetic number, because the mean of its divisors is an integer number (178724133).

Almost surely, 2^1163125105 is an apocalyptic number.

It is an amenable number.

1163125105 is a deficient number, since it is larger than the sum of its proper divisors (266667959).

1163125105 is an equidigital number, since it uses as much as digits as its factorization.

1163125105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5673827.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1163125105 is about 34104.6199949508. The cubic root of 1163125105 is about 1051.6602924338.

Adding to 1163125105 its reverse (5015213611), we get a palindrome (6178338716).

The spelling of 1163125105 in words is "one billion, one hundred sixty-three million, one hundred twenty-five thousand, one hundred five".