1091824801 has 2 divisors, whose sum is σ = 1091824802. Its totient is φ = 1091824800.

The previous prime is 1091824781. The next prime is 1091824807. The reversal of 1091824801 is 1084281901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 795296401 + 296528400 = 28201^2 + 17220^2 .

It is a cyclic number.

It is not a de Polignac number, because 1091824801 - 2¹⁵ = 1091792033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1091824807) 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 as a sum of consecutive naturals, namely, 545912400 + 545912401.

It is an arithmetic number, because the mean of its divisors is an integer number (545912401).

Almost surely, 2^1091824801 is an apocalyptic number.

It is an amenable number.

1091824801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1091824801 is an equidigital number, since it uses as much as digits as its factorization.

1091824801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 1091824801 is about 33042.7722959197. The cubic root of 1091824801 is about 1029.7164522540.

The spelling of 1091824801 in words is "one billion, ninety-one million, eight hundred twenty-four thousand, eight hundred one".