125047745 has 8 divisors (see below), whose sum is σ = 153717480. Its totient is φ = 97598080.

The previous prime is 125047729. The next prime is 125047751. The reversal of 125047745 is 547740521.

It can be written as a sum of positive squares in 4 ways, for example, as 2989441 + 122058304 = 1729^2 + 11048^2 .

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

It is not a de Polignac number, because 125047745 - 2⁴ = 125047729 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 7 ways as a sum of consecutive naturals, for example, 304790 + ... + 305199.

It is an arithmetic number, because the mean of its divisors is an integer number (19214685).

Almost surely, 2^125047745 is an apocalyptic number.

It is an amenable number.

125047745 is a deficient number, since it is larger than the sum of its proper divisors (28669735).

125047745 is an equidigital number, since it uses as much as digits as its factorization.

125047745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610035.

The product of its (nonzero) digits is 39200, while the sum is 35.

The square root of 125047745 is about 11182.4749049573. The cubic root of 125047745 is about 500.0636518965.

The spelling of 125047745 in words is "one hundred twenty-five million, forty-seven thousand, seven hundred forty-five".