125049983 has 2 divisors, whose sum is σ = 125049984. Its totient is φ = 125049982.

The previous prime is 125049979. The next prime is 125050007. The reversal of 125049983 is 389940521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125049983 - 2² = 125049979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125049983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125049083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62524991 + 62524992.

It is an arithmetic number, because the mean of its divisors is an integer number (62524992).

Almost surely, 2^125049983 is an apocalyptic number.

125049983 is a deficient number, since it is larger than the sum of its proper divisors (1).

125049983 is an equidigital number, since it uses as much as digits as its factorization.

125049983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 125049983 is about 11182.5749718032. The cubic root of 125049983 is about 500.0666351191.

The spelling of 125049983 in words is "one hundred twenty-five million, forty-nine thousand, nine hundred eighty-three".