1228411255429 has 2 divisors, whose sum is σ = 1228411255430. Its totient is φ = 1228411255428.

The previous prime is 1228411255349. The next prime is 1228411255447. The reversal of 1228411255429 is 9245521148221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 859464347329 + 368946908100 = 927073^2 + 607410^2 .

It is a cyclic number.

It is not a de Polignac number, because 1228411255429 - 2¹⁷ = 1228411124357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228411258429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614205627714 + 614205627715.

It is an arithmetic number, because the mean of its divisors is an integer number (614205627715).

Almost surely, 2^{1228411255429} is an apocalyptic number.

It is an amenable number.

1228411255429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228411255429 is an equidigital number, since it uses as much as digits as its factorization.

1228411255429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 460800, while the sum is 46.

The spelling of 1228411255429 in words is "one trillion, two hundred twenty-eight billion, four hundred eleven million, two hundred fifty-five thousand, four hundred twenty-nine".