125787616 has 48 divisors (see below), whose sum is σ = 259232400. Its totient is φ = 60003328.

The previous prime is 125787611. The next prime is 125787653. The reversal of 125787616 is 616787521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125787611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81831 + ... + 83353.

It is an arithmetic number, because the mean of its divisors is an integer number (5400675).

Almost surely, 2^125787616 is an apocalyptic number.

125787616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125787616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129616200).

125787616 is an abundant number, since it is smaller than the sum of its proper divisors (133444784).

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

125787616 is a wasteful number, since it uses less digits than its factorization.

125787616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651 (or 1643 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The square root of 125787616 is about 11215.5078351361. The cubic root of 125787616 is about 501.0479567056.

The spelling of 125787616 in words is "one hundred twenty-five million, seven hundred eighty-seven thousand, six hundred sixteen".