125600521 has 2 divisors, whose sum is σ = 125600522. Its totient is φ = 125600520.

The previous prime is 125600483. The next prime is 125600551. The reversal of 125600521 is 125006521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120012025 + 5588496 = 10955^2 + 2364^2 .

It is an emirp because it is prime and its reverse (125006521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125600521 - 2¹⁹ = 125076233 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 125600492 and 125600501.

It is not a weakly prime, because it can be changed into another prime (125600551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62800260 + 62800261.

It is an arithmetic number, because the mean of its divisors is an integer number (62800261).

Almost surely, 2^125600521 is an apocalyptic number.

It is an amenable number.

125600521 is a deficient number, since it is larger than the sum of its proper divisors (1).

125600521 is an equidigital number, since it uses as much as digits as its factorization.

125600521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 125600521 is about 11207.1638249827. The cubic root of 125600521 is about 500.7994158541.

The spelling of 125600521 in words is "one hundred twenty-five million, six hundred thousand, five hundred twenty-one".