1081365826 has 8 divisors (see below), whose sum is σ = 1622254140. Its totient is φ = 540614448.

The previous prime is 1081365823. The next prime is 1081365841. The reversal of 1081365826 is 6285631801.

It can be written as a sum of positive squares in 2 ways, for example, as 1033686801 + 47679025 = 32151^2 + 6905^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1081365823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11461 + ... + 47896.

Almost surely, 2^1081365826 is an apocalyptic number.

1081365826 is a deficient number, since it is larger than the sum of its proper divisors (540888314).

1081365826 is an equidigital number, since it uses as much as digits as its factorization.

1081365826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68468.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1081365826 is about 32884.1272652932. The cubic root of 1081365826 is about 1026.4178912936.

The spelling of 1081365826 in words is "one billion, eighty-one million, three hundred sixty-five thousand, eight hundred twenty-six".