125549960 has 64 divisors (see below), whose sum is σ = 290822400. Its totient is φ = 48761856.

The previous prime is 125549959. The next prime is 125549987. The reversal of 125549960 is 69945521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211424 + ... + 212016.

It is an arithmetic number, because the mean of its divisors is an integer number (4544100).

Almost surely, 2^125549960 is an apocalyptic number.

125549960 is a gapful number since it is divisible by the number (10) 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 125549960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145411200).

125549960 is an abundant number, since it is smaller than the sum of its proper divisors (165272440).

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

125549960 is a wasteful number, since it uses less digits than its factorization.

125549960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 125549960 is about 11204.9078532579. The cubic root of 125549960 is about 500.7322072218.

It can be divided in two parts, 1255 and 49960, that added together give a palindrome (51215).

The spelling of 125549960 in words is "one hundred twenty-five million, five hundred forty-nine thousand, nine hundred sixty".