125968766479 has 2 divisors, whose sum is σ = 125968766480. Its totient is φ = 125968766478.

The previous prime is 125968766461. The next prime is 125968766519. The reversal of 125968766479 is 974667869521.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (974667869521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125968766479 - 2¹³ = 125968758287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125968766419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62984383239 + 62984383240.

It is an arithmetic number, because the mean of its divisors is an integer number (62984383240).

Almost surely, 2^125968766479 is an apocalyptic number.

125968766479 is a deficient number, since it is larger than the sum of its proper divisors (1).

125968766479 is an equidigital number, since it uses as much as digits as its factorization.

125968766479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 274337280, while the sum is 70.

The spelling of 125968766479 in words is "one hundred twenty-five billion, nine hundred sixty-eight million, seven hundred sixty-six thousand, four hundred seventy-nine".