125734909171 has 2 divisors, whose sum is σ = 125734909172. Its totient is φ = 125734909170.

The previous prime is 125734909129. The next prime is 125734909189. The reversal of 125734909171 is 171909437521.

It is a strong prime.

It is an emirp because it is prime and its reverse (171909437521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125734909171 - 2¹⁹ = 125734384883 is a prime.

It is a super-3 number, since 3×125734909171³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (125734909471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62867454585 + 62867454586.

It is an arithmetic number, because the mean of its divisors is an integer number (62867454586).

Almost surely, 2^125734909171 is an apocalyptic number.

125734909171 is a deficient number, since it is larger than the sum of its proper divisors (1).

125734909171 is an equidigital number, since it uses as much as digits as its factorization.

125734909171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 49.

The spelling of 125734909171 in words is "one hundred twenty-five billion, seven hundred thirty-four million, nine hundred nine thousand, one hundred seventy-one".