125547663 has 8 divisors (see below), whose sum is σ = 169690288. Its totient is φ = 82551744.

The previous prime is 125547661. The next prime is 125547671. The reversal of 125547663 is 366745521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125547663 - 2¹ = 125547661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125547661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286420 + ... + 286857.

It is an arithmetic number, because the mean of its divisors is an integer number (21211286).

Almost surely, 2^125547663 is an apocalyptic number.

125547663 is a deficient number, since it is larger than the sum of its proper divisors (44142625).

125547663 is an equidigital number, since it uses as much as digits as its factorization.

125547663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573353.

The product of its digits is 151200, while the sum is 39.

The square root of 125547663 is about 11204.8053530617. The cubic root of 125547663 is about 500.7291534868.

The spelling of 125547663 in words is "one hundred twenty-five million, five hundred forty-seven thousand, six hundred sixty-three".