1294241824243 has 4 divisors (see below), whose sum is σ = 1307584523560. Its totient is φ = 1280899124928.

The previous prime is 1294241824237. The next prime is 1294241824273. The reversal of 1294241824243 is 3424281424921.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1294241824243 - 2²⁵ = 1294208269811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1294241824193 and 1294241824202.

It is not an unprimeable number, because it can be changed into a prime (1294241824273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6671349513 + ... + 6671349706.

It is an arithmetic number, because the mean of its divisors is an integer number (326896130890).

Almost surely, 2^{1294241824243} is an apocalyptic number.

1294241824243 is a deficient number, since it is larger than the sum of its proper divisors (13342699317).

1294241824243 is an equidigital number, since it uses as much as digits as its factorization.

1294241824243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13342699316.

The product of its digits is 884736, while the sum is 46.

The spelling of 1294241824243 in words is "one trillion, two hundred ninety-four billion, two hundred forty-one million, eight hundred twenty-four thousand, two hundred forty-three".