1226754161489 has 2 divisors, whose sum is σ = 1226754161490. Its totient is φ = 1226754161488.

The previous prime is 1226754161429. The next prime is 1226754161527. The reversal of 1226754161489 is 9841614576221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1208856270400 + 17897891089 = 1099480^2 + 133783^2 .

It is a cyclic number.

It is not a de Polignac number, because 1226754161489 - 2²⁴ = 1226737384273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1226754161429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613377080744 + 613377080745.

It is an arithmetic number, because the mean of its divisors is an integer number (613377080745).

Almost surely, 2^{1226754161489} is an apocalyptic number.

It is an amenable number.

1226754161489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226754161489 is an equidigital number, since it uses as much as digits as its factorization.

1226754161489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 56.

The spelling of 1226754161489 in words is "one trillion, two hundred twenty-six billion, seven hundred fifty-four million, one hundred sixty-one thousand, four hundred eighty-nine".