125247763379 has 2 divisors, whose sum is σ = 125247763380. Its totient is φ = 125247763378.

The previous prime is 125247763337. The next prime is 125247763427. The reversal of 125247763379 is 973367742521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125247763379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (125247763679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62623881689 + 62623881690.

It is an arithmetic number, because the mean of its divisors is an integer number (62623881690).

Almost surely, 2^125247763379 is an apocalyptic number.

125247763379 is a deficient number, since it is larger than the sum of its proper divisors (1).

125247763379 is an equidigital number, since it uses as much as digits as its factorization.

125247763379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13335840, while the sum is 56.

The spelling of 125247763379 in words is "one hundred twenty-five billion, two hundred forty-seven million, seven hundred sixty-three thousand, three hundred seventy-nine".