125504560 has 40 divisors (see below), whose sum is σ = 304489440. Its totient is φ = 48018432.

The previous prime is 125504551. The next prime is 125504569. The reversal of 125504560 is 65405521.

It is an interprime number because it is at equal distance from previous prime (125504551) and next prime (125504569).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (125504569) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32265 + ... + 35944.

It is an arithmetic number, because the mean of its divisors is an integer number (7612236).

Almost surely, 2^125504560 is an apocalyptic number.

125504560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125504560 is an abundant number, since it is smaller than the sum of its proper divisors (178984880).

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

125504560 is a wasteful number, since it uses less digits than its factorization.

125504560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68245 (or 68239 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 125504560 is about 11202.8817721156. The cubic root of 125504560 is about 500.6718435149.

The spelling of 125504560 in words is "one hundred twenty-five million, five hundred four thousand, five hundred sixty".