125307047 has 4 divisors (see below), whose sum is σ = 125679216. Its totient is φ = 124934880.

The previous prime is 125307041. The next prime is 125307073. The reversal of 125307047 is 740703521.

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 125307047 - 2⁸ = 125306791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125307041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 185579 + ... + 186252.

It is an arithmetic number, because the mean of its divisors is an integer number (31419804).

Almost surely, 2^125307047 is an apocalyptic number.

125307047 is a deficient number, since it is larger than the sum of its proper divisors (372169).

125307047 is an equidigital number, since it uses as much as digits as its factorization.

125307047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372168.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 125307047 is about 11194.0630246573. The cubic root of 125307047 is about 500.4090612465.

The spelling of 125307047 in words is "one hundred twenty-five million, three hundred seven thousand, forty-seven".