125803571 has 2 divisors, whose sum is σ = 125803572. Its totient is φ = 125803570.

The previous prime is 125803511. The next prime is 125803577. The reversal of 125803571 is 175308521.

It is a strong prime.

It is an emirp because it is prime and its reverse (175308521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125803571 - 2¹⁴ = 125787187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125803577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62901785 + 62901786.

It is an arithmetic number, because the mean of its divisors is an integer number (62901786).

Almost surely, 2^125803571 is an apocalyptic number.

125803571 is a deficient number, since it is larger than the sum of its proper divisors (1).

125803571 is an equidigital number, since it uses as much as digits as its factorization.

125803571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 125803571 is about 11216.2191044933. The cubic root of 125803571 is about 501.0691402488.

The spelling of 125803571 in words is "one hundred twenty-five million, eight hundred three thousand, five hundred seventy-one".