125000121116 has 24 divisors (see below), whose sum is σ = 243700504320. Its totient is φ = 55702971072.

The previous prime is 125000121067. The next prime is 125000121131. The reversal of 125000121116 is 611121000521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41444156 + ... + 41447171.

It is an arithmetic number, because the mean of its divisors is an integer number (10154187680).

Almost surely, 2^125000121116 is an apocalyptic number.

It is an amenable number.

125000121116 is a deficient number, since it is larger than the sum of its proper divisors (118700383204).

125000121116 is a wasteful number, since it uses less digits than its factorization.

125000121116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82891373 (or 82891371 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 125000121116 its reverse (611121000521), we get a palindrome (736121121637).

The spelling of 125000121116 in words is "one hundred twenty-five billion, one hundred twenty-one thousand, one hundred sixteen".