125966579 has 2 divisors, whose sum is σ = 125966580. Its totient is φ = 125966578.

The previous prime is 125966483. The next prime is 125966629. The reversal of 125966579 is 975669521.

It is a happy number.

It is an a-pointer prime, because the next prime (125966629) can be obtained adding 125966579 to its sum of digits (50).

It is a strong prime.

It is an emirp because it is prime and its reverse (975669521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125966579 - 2¹² = 125962483 is a prime.

It is not a weakly prime, because it can be changed into another prime (125966779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62983289 + 62983290.

It is an arithmetic number, because the mean of its divisors is an integer number (62983290).

Almost surely, 2^125966579 is an apocalyptic number.

125966579 is a deficient number, since it is larger than the sum of its proper divisors (1).

125966579 is an equidigital number, since it uses as much as digits as its factorization.

125966579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1020600, while the sum is 50.

The square root of 125966579 is about 11223.4833719305. The cubic root of 125966579 is about 501.2854643307.

The spelling of 125966579 in words is "one hundred twenty-five million, nine hundred sixty-six thousand, five hundred seventy-nine".