124315455400489 has 2 divisors, whose sum is σ = 124315455400490. Its totient is φ = 124315455400488.

The previous prime is 124315455400447. The next prime is 124315455400517. The reversal of 124315455400489 is 984004554513421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104349902432400 + 19965552968089 = 10215180^2 + 4468283^2 .

It is a cyclic number.

It is not a de Polignac number, because 124315455400489 - 2¹¹ = 124315455398441 is a prime.

It is not a weakly prime, because it can be changed into another prime (124315455400289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62157727700244 + 62157727700245.

It is an arithmetic number, because the mean of its divisors is an integer number (62157727700245).

Almost surely, 2^{124315455400489} is an apocalyptic number.

It is an amenable number.

124315455400489 is a deficient number, since it is larger than the sum of its proper divisors (1).

124315455400489 is an equidigital number, since it uses as much as digits as its factorization.

124315455400489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824000, while the sum is 55.

The spelling of 124315455400489 in words is "one hundred twenty-four trillion, three hundred fifteen billion, four hundred fifty-five million, four hundred thousand, four hundred eighty-nine".