125512116 has 48 divisors (see below), whose sum is σ = 308145600. Its totient is φ = 39703552.

The previous prime is 125512091. The next prime is 125512147. The reversal of 125512116 is 611215521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17476 + ... + 23588.

It is an arithmetic number, because the mean of its divisors is an integer number (6419700).

Almost surely, 2^125512116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125512116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154072800).

125512116 is an abundant number, since it is smaller than the sum of its proper divisors (182633484).

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

125512116 is a wasteful number, since it uses less digits than its factorization.

125512116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208 (or 6206 counting only the distinct ones).

The product of its digits is 600, while the sum is 24.

The square root of 125512116 is about 11203.2190016977. The cubic root of 125512116 is about 500.6818909600.

Adding to 125512116 its reverse (611215521), we get a palindrome (736727637).

The spelling of 125512116 in words is "one hundred twenty-five million, five hundred twelve thousand, one hundred sixteen".