125605000 has 40 divisors (see below), whose sum is σ = 294304230. Its totient is φ = 50240000.

The previous prime is 125604989. The next prime is 125605013. The reversal of 125605000 is 506521.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 925444 + 124679556 = 962^2 + 11166^2 .

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

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 9 ways as a sum of consecutive naturals, for example, 7561 + ... + 17560.

Almost surely, 2^125605000 is an apocalyptic number.

125605000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125605000 is an abundant number, since it is smaller than the sum of its proper divisors (168699230).

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

125605000 is an equidigital number, since it uses as much as digits as its factorization.

125605000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25147 (or 25128 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 125605000 is about 11207.3636507432. The cubic root of 125605000 is about 500.8053687326.

The spelling of 125605000 in words is "one hundred twenty-five million, six hundred five thousand".