125259229450 has 12 divisors (see below), whose sum is σ = 232982166870. Its totient is φ = 50103691760.

The previous prime is 125259229441. The next prime is 125259229453. The reversal of 125259229450 is 54922952521.

It can be written as a sum of positive squares in 3 ways, for example, as 89333438769 + 35925790681 = 298887^2 + 189541^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125259229450.

It is not an unprimeable number, because it can be changed into a prime (125259229453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1252592245 + ... + 1252592344.

Almost surely, 2^125259229450 is an apocalyptic number.

125259229450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125259229450 is a deficient number, since it is larger than the sum of its proper divisors (107722937420).

125259229450 is a wasteful number, since it uses less digits than its factorization.

125259229450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505184601 (or 2505184596 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 46.

The spelling of 125259229450 in words is "one hundred twenty-five billion, two hundred fifty-nine million, two hundred twenty-nine thousand, four hundred fifty".