125964605 has 8 divisors (see below), whose sum is σ = 162785112. Its totient is φ = 93019968.

The previous prime is 125964599. The next prime is 125964647. The reversal of 125964605 is 506469521.

It can be written as a sum of positive squares in 4 ways, for example, as 770884 + 125193721 = 878^2 + 11189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125964605 - 2⁶ = 125964541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968894 + ... + 969023.

It is an arithmetic number, because the mean of its divisors is an integer number (20348139).

Almost surely, 2^125964605 is an apocalyptic number.

It is an amenable number.

125964605 is a deficient number, since it is larger than the sum of its proper divisors (36820507).

125964605 is a wasteful number, since it uses less digits than its factorization.

125964605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937935.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 125964605 is about 11223.3954309736. The cubic root of 125964605 is about 501.2828457984.

The spelling of 125964605 in words is "one hundred twenty-five million, nine hundred sixty-four thousand, six hundred five".