125947847 has 4 divisors (see below), whose sum is σ = 126353136. Its totient is φ = 125542560.

The previous prime is 125947771. The next prime is 125947867. The reversal of 125947847 is 748749521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125947847 - 2¹² = 125943751 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125947867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202178 + ... + 202799.

It is an arithmetic number, because the mean of its divisors is an integer number (31588284).

Almost surely, 2^125947847 is an apocalyptic number.

125947847 is a deficient number, since it is larger than the sum of its proper divisors (405289).

125947847 is an equidigital number, since it uses as much as digits as its factorization.

125947847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405288.

The product of its digits is 564480, while the sum is 47.

The square root of 125947847 is about 11222.6488406258. The cubic root of 125947847 is about 501.2606150284.

The spelling of 125947847 in words is "one hundred twenty-five million, nine hundred forty-seven thousand, eight hundred forty-seven".