125741869271 has 2 divisors, whose sum is σ = 125741869272. Its totient is φ = 125741869270.

The previous prime is 125741869171. The next prime is 125741869273. The reversal of 125741869271 is 172968147521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125741869271 - 2¹⁰ = 125741868247 is a prime.

It is a super-2 number, since 2×125741869271² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 125741869273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125741869273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62870934635 + 62870934636.

It is an arithmetic number, because the mean of its divisors is an integer number (62870934636).

Almost surely, 2^125741869271 is an apocalyptic number.

125741869271 is a deficient number, since it is larger than the sum of its proper divisors (1).

125741869271 is an equidigital number, since it uses as much as digits as its factorization.

125741869271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 53.

The spelling of 125741869271 in words is "one hundred twenty-five billion, seven hundred forty-one million, eight hundred sixty-nine thousand, two hundred seventy-one".