125006605 has 16 divisors (see below), whose sum is σ = 161268480. Its totient is φ = 92722752.

The previous prime is 125006603. The next prime is 125006611. The reversal of 125006605 is 506600521.

It is a cyclic number.

It is not a de Polignac number, because 125006605 - 2¹ = 125006603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125006605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125006603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9534 + ... + 18463.

It is an arithmetic number, because the mean of its divisors is an integer number (10079280).

Almost surely, 2^125006605 is an apocalyptic number.

It is an amenable number.

125006605 is a deficient number, since it is larger than the sum of its proper divisors (36261875).

125006605 is a wasteful number, since it uses less digits than its factorization.

125006605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28068.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 125006605 is about 11180.6352681768. The cubic root of 125006605 is about 500.0088065116.

The spelling of 125006605 in words is "one hundred twenty-five million, six thousand, six hundred five".