125858197 has 2 divisors, whose sum is σ = 125858198. Its totient is φ = 125858196.

The previous prime is 125858167. The next prime is 125858207. The reversal of 125858197 is 791858521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80174116 + 45684081 = 8954^2 + 6759^2 .

It is a cyclic number.

It is not a de Polignac number, because 125858197 - 2¹⁹ = 125333909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125858167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62929098 + 62929099.

It is an arithmetic number, because the mean of its divisors is an integer number (62929099).

Almost surely, 2^125858197 is an apocalyptic number.

It is an amenable number.

125858197 is a deficient number, since it is larger than the sum of its proper divisors (1).

125858197 is an equidigital number, since it uses as much as digits as its factorization.

125858197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 46.

The square root of 125858197 is about 11218.6539745194. The cubic root of 125858197 is about 501.1416539352.

The spelling of 125858197 in words is "one hundred twenty-five million, eight hundred fifty-eight thousand, one hundred ninety-seven".