125222025250 has 64 divisors (see below), whose sum is σ = 268027149312. Its totient is φ = 42913464000.

The previous prime is 125222025191. The next prime is 125222025311. The reversal of 125222025250 is 52520222521.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4067415 + ... + 4098085.

It is an arithmetic number, because the mean of its divisors is an integer number (4187924208).

Almost surely, 2^125222025250 is an apocalyptic number.

125222025250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125222025250 is an abundant number, since it is smaller than the sum of its proper divisors (142805124062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125222025250 is a wasteful number, since it uses less digits than its factorization.

125222025250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33028 (or 33018 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 125222025250 its reverse (52520222521), we get a palindrome (177742247771).

The spelling of 125222025250 in words is "one hundred twenty-five billion, two hundred twenty-two million, twenty-five thousand, two hundred fifty".