1080636131 has 4 divisors (see below), whose sum is σ = 1092778200. Its totient is φ = 1068494064.

The previous prime is 1080636119. The next prime is 1080636157. The reversal of 1080636131 is 1316360801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1080636131 is a prime.

It is a super-2 number, since 2×1080636131² = 2335548895245298322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1080636094 and 1080636103.

It is not an unprimeable number, because it can be changed into a prime (1080636101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6070901 + ... + 6071078.

It is an arithmetic number, because the mean of its divisors is an integer number (273194550).

Almost surely, 2^1080636131 is an apocalyptic number.

1080636131 is a deficient number, since it is larger than the sum of its proper divisors (12142069).

1080636131 is an equidigital number, since it uses as much as digits as its factorization.

1080636131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12142068.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1080636131 is about 32873.0304505076. The cubic root of 1080636131 is about 1026.1869671190.

Adding to 1080636131 its reverse (1316360801), we get a palindrome (2396996932).

The spelling of 1080636131 in words is "one billion, eighty million, six hundred thirty-six thousand, one hundred thirty-one".