1084744081 has 4 divisors (see below), whose sum is σ = 1091014452. Its totient is φ = 1078473712.

The previous prime is 1084744079. The next prime is 1084744091. The reversal of 1084744081 is 1804474801.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1011812481 + 72931600 = 31809^2 + 8540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1084744081 - 2¹ = 1084744079 is a prime.

It is a super-2 number, since 2×1084744081² = 2353339442529069122, 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 1084744081.

It is not an unprimeable number, because it can be changed into a prime (1084744021) 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, 3134926 + ... + 3135271.

It is an arithmetic number, because the mean of its divisors is an integer number (272753613).

Almost surely, 2^1084744081 is an apocalyptic number.

It is an amenable number.

1084744081 is a deficient number, since it is larger than the sum of its proper divisors (6270371).

1084744081 is an equidigital number, since it uses as much as digits as its factorization.

1084744081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270370.

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 1084744081 is about 32935.4532532953. The cubic root of 1084744081 is about 1027.4856448840.

The spelling of 1084744081 in words is "one billion, eighty-four million, seven hundred forty-four thousand, eighty-one".