123054124533281 has 2 divisors, whose sum is σ = 123054124533282. Its totient is φ = 123054124533280.

The previous prime is 123054124533253. The next prime is 123054124533469. The reversal of 123054124533281 is 182335421450321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98650682613025 + 24403441920256 = 9932305^2 + 4939984^2 .

It is an emirp because it is prime and its reverse (182335421450321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123054124533281 is a prime.

It is a super-2 number, since 2×123054124533281² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123054124503281) 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 as a sum of consecutive naturals, namely, 61527062266640 + 61527062266641.

It is an arithmetic number, because the mean of its divisors is an integer number (61527062266641).

Almost surely, 2^{123054124533281} is an apocalyptic number.

It is an amenable number.

123054124533281 is a deficient number, since it is larger than the sum of its proper divisors (1).

123054124533281 is an equidigital number, since it uses as much as digits as its factorization.

123054124533281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 123054124533281 in words is "one hundred twenty-three trillion, fifty-four billion, one hundred twenty-four million, five hundred thirty-three thousand, two hundred eighty-one".