1209094001 has 4 divisors (see below), whose sum is σ = 1215231732. Its totient is φ = 1202956272.

The previous prime is 1209093983. The next prime is 1209094027. The reversal of 1209094001 is 1004909021.

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 961000000 + 248094001 = 31000^2 + 15751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1209094001 - 2¹⁰ = 1209092977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1209096001) 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, 3068570 + ... + 3068963.

It is an arithmetic number, because the mean of its divisors is an integer number (303807933).

Almost surely, 2^1209094001 is an apocalyptic number.

It is an amenable number.

1209094001 is a deficient number, since it is larger than the sum of its proper divisors (6137731).

1209094001 is an equidigital number, since it uses as much as digits as its factorization.

1209094001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6137730.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1209094001 is about 34772.0290032089. The cubic root of 1209094001 is about 1065.3362104248.

The spelling of 1209094001 in words is "one billion, two hundred nine million, ninety-four thousand, one".