125311680 has 168 divisors, whose sum is σ = 464314032. Its totient is φ = 30836736.

The previous prime is 125311679. The next prime is 125311687. The reversal of 125311680 is 86113521.

It is not an unprimeable number, because it can be changed into a prime (125311687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35767 + ... + 39113.

It is an arithmetic number, because the mean of its divisors is an integer number (2763774).

Almost surely, 2^125311680 is an apocalyptic number.

125311680 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 125311680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232157016).

125311680 is an abundant number, since it is smaller than the sum of its proper divisors (339002352).

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

125311680 is a wasteful number, since it uses less digits than its factorization.

125311680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383 (or 3370 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 125311680 is about 11194.2699627979. The cubic root of 125311680 is about 500.4152284086.

The spelling of 125311680 in words is "one hundred twenty-five million, three hundred eleven thousand, six hundred eighty".