125256193 has 2 divisors, whose sum is σ = 125256194. Its totient is φ = 125256192.

The previous prime is 125256181. The next prime is 125256203. The reversal of 125256193 is 391652521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67617729 + 57638464 = 8223^2 + 7592^2 .

It is a cyclic number.

It is not a de Polignac number, because 125256193 - 2⁹ = 125255681 is a prime.

It is a super-2 number, since 2×125256193² = 31378227769706498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125256143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62628096 + 62628097.

It is an arithmetic number, because the mean of its divisors is an integer number (62628097).

Almost surely, 2^125256193 is an apocalyptic number.

It is an amenable number.

125256193 is a deficient number, since it is larger than the sum of its proper divisors (1).

125256193 is an equidigital number, since it uses as much as digits as its factorization.

125256193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 34.

The square root of 125256193 is about 11191.7913222147. The cubic root of 125256193 is about 500.3413575637.

The spelling of 125256193 in words is "one hundred twenty-five million, two hundred fifty-six thousand, one hundred ninety-three".