125245671 has 4 divisors (see below), whose sum is σ = 166994232. Its totient is φ = 83497112.

The previous prime is 125245657. The next prime is 125245691. The reversal of 125245671 is 176542521.

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 125245671 - 2⁵ = 125245639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125245621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20874276 + ... + 20874281.

It is an arithmetic number, because the mean of its divisors is an integer number (41748558).

Almost surely, 2^125245671 is an apocalyptic number.

125245671 is a deficient number, since it is larger than the sum of its proper divisors (41748561).

125245671 is an equidigital number, since it uses as much as digits as its factorization.

125245671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41748560.

The product of its digits is 16800, while the sum is 33.

The square root of 125245671 is about 11191.3212356719. The cubic root of 125245671 is about 500.3273469745.

The spelling of 125245671 in words is "one hundred twenty-five million, two hundred forty-five thousand, six hundred seventy-one".