1209094770243 has 32 divisors (see below), whose sum is σ = 1712596241664. Its totient is φ = 756143373312.

The previous prime is 1209094770217. The next prime is 1209094770271. The reversal of 1209094770243 is 3420774909021.

It is a happy number.

It is not a de Polignac number, because 1209094770243 - 2²⁵ = 1209061215811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1209094770192 and 1209094770201.

It is not an unprimeable number, because it can be changed into a prime (1209090770243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46299996 + ... + 46326102.

It is an arithmetic number, because the mean of its divisors is an integer number (53518632552).

Almost surely, 2^{1209094770243} is an apocalyptic number.

1209094770243 is a deficient number, since it is larger than the sum of its proper divisors (503501471421).

1209094770243 is a wasteful number, since it uses less digits than its factorization.

1209094770243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29091.

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 1209094770243 in words is "one trillion, two hundred nine billion, ninety-four million, seven hundred seventy thousand, two hundred forty-three".