125719193 has 2 divisors, whose sum is σ = 125719194. Its totient is φ = 125719192.

The previous prime is 125719189. The next prime is 125719201. The reversal of 125719193 is 391917521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125260864 + 458329 = 11192^2 + 677^2 .

It is an emirp because it is prime and its reverse (391917521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125719193 - 2² = 125719189 is a prime.

It is not a weakly prime, because it can be changed into another prime (125719093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62859596 + 62859597.

It is an arithmetic number, because the mean of its divisors is an integer number (62859597).

Almost surely, 2^125719193 is an apocalyptic number.

It is an amenable number.

125719193 is a deficient number, since it is larger than the sum of its proper divisors (1).

125719193 is an equidigital number, since it uses as much as digits as its factorization.

125719193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 38.

The square root of 125719193 is about 11212.4570456256. The cubic root of 125719193 is about 500.9570907855.

The spelling of 125719193 in words is "one hundred twenty-five million, seven hundred nineteen thousand, one hundred ninety-three".