125669760 has 256 divisors, whose sum is σ = 432561600. Its totient is φ = 30965760.

The previous prime is 125669759. The next prime is 125669771. The reversal of 125669760 is 67966521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2060130 + ... + 2060190.

Almost surely, 2^125669760 is an apocalyptic number.

125669760 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 125669760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216280800).

125669760 is an abundant number, since it is smaller than the sum of its proper divisors (306891840).

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

125669760 is a wasteful number, since it uses less digits than its factorization.

125669760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 125669760 is about 11210.2524503242. The cubic root of 125669760 is about 500.8914231185.

The spelling of 125669760 in words is "one hundred twenty-five million, six hundred sixty-nine thousand, seven hundred sixty".