125536471 has 2 divisors, whose sum is σ = 125536472. Its totient is φ = 125536470.

The previous prime is 125536441. The next prime is 125536487. The reversal of 125536471 is 174635521.

It is a strong prime.

It is an emirp because it is prime and its reverse (174635521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125536471 - 2²¹ = 123439319 is a prime.

It is a super-3 number, since 3×125536471³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125536441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62768235 + 62768236.

It is an arithmetic number, because the mean of its divisors is an integer number (62768236).

Almost surely, 2^125536471 is an apocalyptic number.

125536471 is a deficient number, since it is larger than the sum of its proper divisors (1).

125536471 is an equidigital number, since it uses as much as digits as its factorization.

125536471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

The square root of 125536471 is about 11204.3059133531. The cubic root of 125536471 is about 500.7142738066.

The spelling of 125536471 in words is "one hundred twenty-five million, five hundred thirty-six thousand, four hundred seventy-one".