125450687 has 2 divisors, whose sum is σ = 125450688. Its totient is φ = 125450686.

The previous prime is 125450653. The next prime is 125450729. The reversal of 125450687 is 786054521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125450687 - 2⁶ = 125450623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125450687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125450617) 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, 62725343 + 62725344.

It is an arithmetic number, because the mean of its divisors is an integer number (62725344).

Almost surely, 2^125450687 is an apocalyptic number.

125450687 is a deficient number, since it is larger than the sum of its proper divisors (1).

125450687 is an equidigital number, since it uses as much as digits as its factorization.

125450687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 125450687 is about 11200.4770880530. The cubic root of 125450687 is about 500.6001952431.

The spelling of 125450687 in words is "one hundred twenty-five million, four hundred fifty thousand, six hundred eighty-seven".