125950440673 has 2 divisors, whose sum is σ = 125950440674. Its totient is φ = 125950440672.

The previous prime is 125950440643. The next prime is 125950440743. The reversal of 125950440673 is 376044059521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103882446864 + 22067993809 = 322308^2 + 148553^2 .

It is a cyclic number.

It is not a de Polignac number, because 125950440673 - 2¹⁷ = 125950309601 is a prime.

It is not a weakly prime, because it can be changed into another prime (125950440643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62975220336 + 62975220337.

It is an arithmetic number, because the mean of its divisors is an integer number (62975220337).

Almost surely, 2^125950440673 is an apocalyptic number.

It is an amenable number.

125950440673 is a deficient number, since it is larger than the sum of its proper divisors (1).

125950440673 is an equidigital number, since it uses as much as digits as its factorization.

125950440673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 125950440673 in words is "one hundred twenty-five billion, nine hundred fifty million, four hundred forty thousand, six hundred seventy-three".