125443193 has 2 divisors, whose sum is σ = 125443194. Its totient is φ = 125443192.

The previous prime is 125443189. The next prime is 125443207. The reversal of 125443193 is 391344521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125260864 + 182329 = 11192^2 + 427^2 .

It is a cyclic number.

It is not a de Polignac number, because 125443193 - 2² = 125443189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (125443393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62721596 + 62721597.

It is an arithmetic number, because the mean of its divisors is an integer number (62721597).

Almost surely, 2^125443193 is an apocalyptic number.

It is an amenable number.

125443193 is a deficient number, since it is larger than the sum of its proper divisors (1).

125443193 is an equidigital number, since it uses as much as digits as its factorization.

125443193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 125443193 is about 11200.1425437358. The cubic root of 125443193 is about 500.5902269900.

The spelling of 125443193 in words is "one hundred twenty-five million, four hundred forty-three thousand, one hundred ninety-three".