125195616 has 288 divisors, whose sum is σ = 465611328. Its totient is φ = 30965760.

The previous prime is 125195563. The next prime is 125195621. The reversal of 125195616 is 616591521.

125195616 is a `hidden beast` number, since 1 + 25 + 19 + 5 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 445396 + ... + 445676.

It is an arithmetic number, because the mean of its divisors is an integer number (1616706).

Almost surely, 2^125195616 is an apocalyptic number.

125195616 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 125195616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232805664).

125195616 is an abundant number, since it is smaller than the sum of its proper divisors (340415712).

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

125195616 is a wasteful number, since it uses less digits than its factorization.

125195616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 323 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 125195616 is about 11189.0846810631. The cubic root of 125195616 is about 500.2606853960.

The spelling of 125195616 in words is "one hundred twenty-five million, one hundred ninety-five thousand, six hundred sixteen".