125199488 has 72 divisors (see below), whose sum is σ = 266941395. Its totient is φ = 58485504.

The previous prime is 125199463. The next prime is 125199491. The reversal of 125199488 is 884991521.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 62599744 + 62599744 = 7912^2 + 7912^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7912.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2911595 + ... + 2911637.

Almost surely, 2^125199488 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 125199488

125199488 is an abundant number, since it is smaller than the sum of its proper divisors (141741907).

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

125199488 is an frugal number, since it uses more digits than its factorization.

125199488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 68 counting only the distinct ones).

The product of its digits is 207360, while the sum is 47.

The square root of 125199488 is about 11189.2577054959. The cubic root of 125199488 is about 500.2658426303.

The spelling of 125199488 in words is "one hundred twenty-five million, one hundred ninety-nine thousand, four hundred eighty-eight".