8125047 has 12 divisors (see below), whose sum is σ = 13412880. Its totient is φ = 4642848.

The previous prime is 8125037. The next prime is 8125081. The reversal of 8125047 is 7405218.

It is not a de Polignac number, because 8125047 - 2⁶ = 8124983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8125047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8125037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64422 + ... + 64547.

It is an arithmetic number, because the mean of its divisors is an integer number (1117740).

Almost surely, 2^8125047 is an apocalyptic number.

8125047 is a deficient number, since it is larger than the sum of its proper divisors (5287833).

8125047 is a wasteful number, since it uses less digits than its factorization.

8125047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128982 (or 128979 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 8125047 is about 2850.4468070813. The cubic root of 8125047 is about 201.0366755679.

The spelling of 8125047 in words is "eight million, one hundred twenty-five thousand, forty-seven".