125512463 has 2 divisors, whose sum is σ = 125512464. Its totient is φ = 125512462.

The previous prime is 125512433. The next prime is 125512483. The reversal of 125512463 is 364215521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125512463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125512433) 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, 62756231 + 62756232.

It is an arithmetic number, because the mean of its divisors is an integer number (62756232).

Almost surely, 2^125512463 is an apocalyptic number.

125512463 is a deficient number, since it is larger than the sum of its proper divisors (1).

125512463 is an equidigital number, since it uses as much as digits as its factorization.

125512463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 29.

The square root of 125512463 is about 11203.2344883074. The cubic root of 125512463 is about 500.6823523669.

Adding to 125512463 its reverse (364215521), we get a palindrome (489727984).

The spelling of 125512463 in words is "one hundred twenty-five million, five hundred twelve thousand, four hundred sixty-three".