1226365087643 has 2 divisors, whose sum is σ = 1226365087644. Its totient is φ = 1226365087642.

The previous prime is 1226365087603. The next prime is 1226365087663. The reversal of 1226365087643 is 3467805636221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1226365087643 - 2²² = 1226360893339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1226365087603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613182543821 + 613182543822.

It is an arithmetic number, because the mean of its divisors is an integer number (613182543822).

Almost surely, 2^{1226365087643} is an apocalyptic number.

1226365087643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226365087643 is an equidigital number, since it uses as much as digits as its factorization.

1226365087643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 1226365087643 in words is "one trillion, two hundred twenty-six billion, three hundred sixty-five million, eighty-seven thousand, six hundred forty-three".