125503063 has 12 divisors (see below), whose sum is σ = 146192232. Its totient is φ = 107427600.

The previous prime is 125503043. The next prime is 125503067. The reversal of 125503063 is 360305521.

It is a happy number.

It is not a de Polignac number, because 125503063 - 2⁵ = 125503031 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 (125503067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50281 + ... + 52717.

It is an arithmetic number, because the mean of its divisors is an integer number (12182686).

Almost surely, 2^125503063 is an apocalyptic number.

125503063 is a deficient number, since it is larger than the sum of its proper divisors (20689169).

125503063 is a wasteful number, since it uses less digits than its factorization.

125503063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502 (or 3495 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 125503063 is about 11202.8149587503. The cubic root of 125503063 is about 500.6698528602.

Adding to 125503063 its reverse (360305521), we get a palindrome (485808584).

The spelling of 125503063 in words is "one hundred twenty-five million, five hundred three thousand, sixty-three".