125741869273 has 2 divisors, whose sum is σ = 125741869274. Its totient is φ = 125741869272.

The previous prime is 125741869271. The next prime is 125741869291. The reversal of 125741869273 is 372968147521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95056289344 + 30685579929 = 308312^2 + 175173^2 .

It is an emirp because it is prime and its reverse (372968147521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125741869273 - 2¹ = 125741869271 is a prime.

It is a super-2 number, since 2×125741869273² (a number of 23 digits) contains 22 as substring.

Together with 125741869271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (125741869271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62870934636 + 62870934637.

It is an arithmetic number, because the mean of its divisors is an integer number (62870934637).

Almost surely, 2^125741869273 is an apocalyptic number.

It is an amenable number.

125741869273 is a deficient number, since it is larger than the sum of its proper divisors (1).

125741869273 is an equidigital number, since it uses as much as digits as its factorization.

125741869273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 55.

The spelling of 125741869273 in words is "one hundred twenty-five billion, seven hundred forty-one million, eight hundred sixty-nine thousand, two hundred seventy-three".