125250621679 has 2 divisors, whose sum is σ = 125250621680. Its totient is φ = 125250621678.

The previous prime is 125250621641. The next prime is 125250621703. The reversal of 125250621679 is 976126052521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125250621679 - 2¹³ = 125250613487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125250621079) 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, 62625310839 + 62625310840.

It is an arithmetic number, because the mean of its divisors is an integer number (62625310840).

Almost surely, 2^125250621679 is an apocalyptic number.

125250621679 is a deficient number, since it is larger than the sum of its proper divisors (1).

125250621679 is an equidigital number, since it uses as much as digits as its factorization.

125250621679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 125250621679 in words is "one hundred twenty-five billion, two hundred fifty million, six hundred twenty-one thousand, six hundred seventy-nine".