1092785801 has 8 divisors (see below), whose sum is σ = 1142125320. Its totient is φ = 1044223488.

The previous prime is 1092785797. The next prime is 1092785807. The reversal of 1092785801 is 1085872901.

It can be written as a sum of positive squares in 4 ways, for example, as 121528576 + 971257225 = 11024^2 + 31165^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1092785801 - 2² = 1092785797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1092785807) 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 7 ways as a sum of consecutive naturals, for example, 191426 + ... + 197051.

It is an arithmetic number, because the mean of its divisors is an integer number (142765665).

Almost surely, 2^1092785801 is an apocalyptic number.

It is an amenable number.

1092785801 is a deficient number, since it is larger than the sum of its proper divisors (49339519).

1092785801 is an equidigital number, since it uses as much as digits as its factorization.

1092785801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388603.

The product of its (nonzero) digits is 40320, while the sum is 41.

The square root of 1092785801 is about 33057.3108555430. The cubic root of 1092785801 is about 1030.0184748626.

The spelling of 1092785801 in words is "one billion, ninety-two million, seven hundred eighty-five thousand, eight hundred one".