125271607453 has 2 divisors, whose sum is σ = 125271607454. Its totient is φ = 125271607452.

The previous prime is 125271607399. The next prime is 125271607457. The reversal of 125271607453 is 354706172521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103943049604 + 21328557849 = 322402^2 + 146043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125271607453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125271607457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62635803726 + 62635803727.

It is an arithmetic number, because the mean of its divisors is an integer number (62635803727).

Almost surely, 2^125271607453 is an apocalyptic number.

It is an amenable number.

125271607453 is a deficient number, since it is larger than the sum of its proper divisors (1).

125271607453 is an equidigital number, since it uses as much as digits as its factorization.

125271607453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 43.

Adding to 125271607453 its reverse (354706172521), we get a palindrome (479977779974).

The spelling of 125271607453 in words is "one hundred twenty-five billion, two hundred seventy-one million, six hundred seven thousand, four hundred fifty-three".