125609860 has 12 divisors (see below), whose sum is σ = 263780748. Its totient is φ = 50243936.

The previous prime is 125609851. The next prime is 125609867. The reversal of 125609860 is 68906521.

It can be written as a sum of positive squares in 2 ways, for example, as 19766916 + 105842944 = 4446^2 + 10288^2 .

It is not an unprimeable number, because it can be changed into a prime (125609867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3140227 + ... + 3140266.

It is an arithmetic number, because the mean of its divisors is an integer number (21981729).

Almost surely, 2^125609860 is an apocalyptic number.

125609860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125609860 is an abundant number, since it is smaller than the sum of its proper divisors (138170888).

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

125609860 is a wasteful number, since it uses less digits than its factorization.

125609860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6280502 (or 6280500 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 125609860 is about 11207.5804703781. The cubic root of 125609860 is about 500.8118278244.

The spelling of 125609860 in words is "one hundred twenty-five million, six hundred nine thousand, eight hundred sixty".