1094909081 has 8 divisors (see below), whose sum is σ = 1251538560. Its totient is φ = 938333088.

The previous prime is 1094909077. The next prime is 1094909083. The reversal of 1094909081 is 1809094901.

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

It is not a de Polignac number, because 1094909081 - 2² = 1094909077 is a prime.

It is a super-2 number, since 2×1094909081² = 2397651791312529122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1094909083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51485 + ... + 69573.

It is an arithmetic number, because the mean of its divisors is an integer number (156442320).

Almost surely, 2^1094909081 is an apocalyptic number.

It is an amenable number.

1094909081 is a deficient number, since it is larger than the sum of its proper divisors (156629479).

1094909081 is an equidigital number, since it uses as much as digits as its factorization.

1094909081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26743.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 1094909081 is about 33089.4104057476. The cubic root of 1094909081 is about 1030.6851510145.

The spelling of 1094909081 in words is "one billion, ninety-four million, nine hundred nine thousand, eighty-one".