1094100281 has 2 divisors, whose sum is σ = 1094100282. Its totient is φ = 1094100280.

The previous prime is 1094100277. The next prime is 1094100283. The reversal of 1094100281 is 1820014901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 596141056 + 497959225 = 24416^2 + 22315^2 .

It is an emirp because it is prime and its reverse (1820014901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1094100281 - 2² = 1094100277 is a prime.

It is a super-2 number, since 2×1094100281² = 2394110849768557922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1094100283, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1094100281.

It is not a weakly prime, because it can be changed into another prime (1094100283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547050140 + 547050141.

It is an arithmetic number, because the mean of its divisors is an integer number (547050141).

Almost surely, 2^1094100281 is an apocalyptic number.

1094100281 is the 17681-st centered heptagonal number.

It is an amenable number.

1094100281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1094100281 is an equidigital number, since it uses as much as digits as its factorization.

1094100281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 1094100281 is about 33077.1867153179. The cubic root of 1094100281 is about 1030.4313023887.

The spelling of 1094100281 in words is "one billion, ninety-four million, one hundred thousand, two hundred eighty-one".