125066705 has 32 divisors (see below), whose sum is σ = 166212000. Its totient is φ = 89915392.

The previous prime is 125066693. The next prime is 125066723. The reversal of 125066705 is 507660521.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 36857041 + 88209664 = 6071^2 + 9392^2 .

It is a 5-Lehmer number, since φ(125066705) divides (125066705-1)⁵.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125066705 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278321 + ... + 278769.

It is an arithmetic number, because the mean of its divisors is an integer number (5194125).

Almost surely, 2^125066705 is an apocalyptic number.

It is an amenable number.

125066705 is a deficient number, since it is larger than the sum of its proper divisors (41145295).

125066705 is a wasteful number, since it uses less digits than its factorization.

125066705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 125066705 is about 11183.3226279134. The cubic root of 125066705 is about 500.0889241840.

The spelling of 125066705 in words is "one hundred twenty-five million, sixty-six thousand, seven hundred five".