1243064426301 has 24 divisors (see below), whose sum is σ = 1834321057920. Its totient is φ = 810820682496.

The previous prime is 1243064426293. The next prime is 1243064426309. The reversal of 1243064426301 is 1036244603421.

1243064426301 is a `hidden beast` number, since 1 + 2 + 4 + 3 + 0 + 644 + 2 + 6 + 3 + 0 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1243064426293) and next prime (1243064426309).

It is not a de Polignac number, because 1243064426301 - 2³ = 1243064426293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243064426309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 876826 + ... + 1804148.

It is an arithmetic number, because the mean of its divisors is an integer number (76430044080).

Almost surely, 2^{1243064426301} is an apocalyptic number.

It is an amenable number.

1243064426301 is a deficient number, since it is larger than the sum of its proper divisors (591256631619).

1243064426301 is a wasteful number, since it uses less digits than its factorization.

1243064426301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930545 (or 930542 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 1243064426301 in words is "one trillion, two hundred forty-three billion, sixty-four million, four hundred twenty-six thousand, three hundred one".