125993141 has 2 divisors, whose sum is σ = 125993142. Its totient is φ = 125993140.

The previous prime is 125993129. The next prime is 125993159. The reversal of 125993141 is 141399521.

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., 96334225 + 29658916 = 9815^2 + 5446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125993141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125993941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62996570 + 62996571.

It is an arithmetic number, because the mean of its divisors is an integer number (62996571).

Almost surely, 2^125993141 is an apocalyptic number.

It is an amenable number.

125993141 is a deficient number, since it is larger than the sum of its proper divisors (1).

125993141 is an equidigital number, since it uses as much as digits as its factorization.

125993141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 35.

The square root of 125993141 is about 11224.6666320207. Note that the first 4 decimals coincide. The cubic root of 125993141 is about 501.3206964503.

The spelling of 125993141 in words is "one hundred twenty-five million, nine hundred ninety-three thousand, one hundred forty-one".