125304362461 has 2 divisors, whose sum is σ = 125304362462. Its totient is φ = 125304362460.

The previous prime is 125304362441. The next prime is 125304362473. The reversal of 125304362461 is 164263403521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113427504100 + 11876858361 = 336790^2 + 108981^2 .

It is a cyclic number.

It is not a de Polignac number, because 125304362461 - 2⁷ = 125304362333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125304362461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125304362431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62652181230 + 62652181231.

It is an arithmetic number, because the mean of its divisors is an integer number (62652181231).

Almost surely, 2^125304362461 is an apocalyptic number.

It is an amenable number.

125304362461 is a deficient number, since it is larger than the sum of its proper divisors (1).

125304362461 is an equidigital number, since it uses as much as digits as its factorization.

125304362461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 125304362461 its reverse (164263403521), we get a palindrome (289567765982).

The spelling of 125304362461 in words is "one hundred twenty-five billion, three hundred four million, three hundred sixty-two thousand, four hundred sixty-one".