125308705 has 16 divisors (see below), whose sum is σ = 159508800. Its totient is φ = 94236480.

The previous prime is 125308699. The next prime is 125308723. The reversal of 125308705 is 507803521.

It is a de Polignac number, because none of the positive numbers 2^k-125308705 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 7411 + ... + 17479.

It is an arithmetic number, because the mean of its divisors is an integer number (9969300).

Almost surely, 2^125308705 is an apocalyptic number.

It is an amenable number.

125308705 is a deficient number, since it is larger than the sum of its proper divisors (34200095).

125308705 is a wasteful number, since it uses less digits than its factorization.

125308705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10224.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 125308705 is about 11194.1370815262. The cubic root of 125308705 is about 500.4112682907.

The spelling of 125308705 in words is "one hundred twenty-five million, three hundred eight thousand, seven hundred five".