125530487 has 2 divisors, whose sum is σ = 125530488. Its totient is φ = 125530486.

The previous prime is 125530477. The next prime is 125530507. The reversal of 125530487 is 784035521.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (784035521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125530487 - 2⁶ = 125530423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125530417) 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, 62765243 + 62765244.

It is an arithmetic number, because the mean of its divisors is an integer number (62765244).

Almost surely, 2^125530487 is an apocalyptic number.

125530487 is a deficient number, since it is larger than the sum of its proper divisors (1).

125530487 is an equidigital number, since it uses as much as digits as its factorization.

125530487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 125530487 is about 11204.0388699790. The cubic root of 125530487 is about 500.7063177606.

The spelling of 125530487 in words is "one hundred twenty-five million, five hundred thirty thousand, four hundred eighty-seven".