125000663 has 2 divisors, whose sum is σ = 125000664. Its totient is φ = 125000662.

The previous prime is 125000657. The next prime is 125000693. The reversal of 125000663 is 366000521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125000663 - 2⁶ = 125000599 is a prime.

It is a Chen prime.

It is equal to p_7110176 and since 125000663 and 7110176 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125000633) 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, 62500331 + 62500332.

It is an arithmetic number, because the mean of its divisors is an integer number (62500332).

Almost surely, 2^125000663 is an apocalyptic number.

125000663 is a deficient number, since it is larger than the sum of its proper divisors (1).

125000663 is an equidigital number, since it uses as much as digits as its factorization.

125000663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 125000663 is about 11180.3695377210. The cubic root of 125000663 is about 500.0008839984. Note that the first 3 decimals are identical.

The spelling of 125000663 in words is "one hundred twenty-five million, six hundred sixty-three", and thus it is an aban number.