125387663 has 2 divisors, whose sum is σ = 125387664. Its totient is φ = 125387662.

The previous prime is 125387659. The next prime is 125387671. The reversal of 125387663 is 366783521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125387663 - 2² = 125387659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125387663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125387623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62693831 + 62693832.

It is an arithmetic number, because the mean of its divisors is an integer number (62693832).

Almost surely, 2^125387663 is an apocalyptic number.

125387663 is a deficient number, since it is larger than the sum of its proper divisors (1).

125387663 is an equidigital number, since it uses as much as digits as its factorization.

125387663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 125387663 is about 11197.6632830247. The cubic root of 125387663 is about 500.5163505806.

The spelling of 125387663 in words is "one hundred twenty-five million, three hundred eighty-seven thousand, six hundred sixty-three".