125044224012989 has 2 divisors, whose sum is σ = 125044224012990. Its totient is φ = 125044224012988.

The previous prime is 125044224012973. The next prime is 125044224013063. The reversal of 125044224012989 is 989210422440521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91992556125625 + 33051667887364 = 9591275^2 + 5749058^2 .

It is a cyclic number.

It is not a de Polignac number, because 125044224012989 - 2⁴ = 125044224012973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125044224012989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125044224012889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62522112006494 + 62522112006495.

It is an arithmetic number, because the mean of its divisors is an integer number (62522112006495).

Almost surely, 2^{125044224012989} is an apocalyptic number.

It is an amenable number.

125044224012989 is a deficient number, since it is larger than the sum of its proper divisors (1).

125044224012989 is an equidigital number, since it uses as much as digits as its factorization.

125044224012989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 125044224012989 in words is "one hundred twenty-five trillion, forty-four billion, two hundred twenty-four million, twelve thousand, nine hundred eighty-nine".