125345571 has 16 divisors (see below), whose sum is σ = 181407744. Its totient is φ = 76525344.

The previous prime is 125345567. The next prime is 125345611. The reversal of 125345571 is 175543521.

It is not a de Polignac number, because 125345571 - 2² = 125345567 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125345501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7701 + ... + 17606.

It is an arithmetic number, because the mean of its divisors is an integer number (11337984).

Almost surely, 2^125345571 is an apocalyptic number.

125345571 is a deficient number, since it is larger than the sum of its proper divisors (56062173).

125345571 is a wasteful number, since it uses less digits than its factorization.

125345571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25450.

The product of its digits is 21000, while the sum is 33.

The square root of 125345571 is about 11195.7836259906. The cubic root of 125345571 is about 500.4603373823.

It can be divided in two parts, 125 and 345571, that added together give a triangular number (345696 = T₈₃₁).

The spelling of 125345571 in words is "one hundred twenty-five million, three hundred forty-five thousand, five hundred seventy-one".