125351447497 has 2 divisors, whose sum is σ = 125351447498. Its totient is φ = 125351447496.

The previous prime is 125351447489. The next prime is 125351447513. The reversal of 125351447497 is 794744153521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104882708736 + 20468738761 = 323856^2 + 143069^2 .

It is a cyclic number.

It is not a de Polignac number, because 125351447497 - 2³ = 125351447489 is a prime.

It is not a weakly prime, because it can be changed into another prime (125351447467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62675723748 + 62675723749.

It is an arithmetic number, because the mean of its divisors is an integer number (62675723749).

Almost surely, 2^125351447497 is an apocalyptic number.

It is an amenable number.

125351447497 is a deficient number, since it is larger than the sum of its proper divisors (1).

125351447497 is an equidigital number, since it uses as much as digits as its factorization.

125351447497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4233600, while the sum is 52.

The spelling of 125351447497 in words is "one hundred twenty-five billion, three hundred fifty-one million, four hundred forty-seven thousand, four hundred ninety-seven".