125150771 has 2 divisors, whose sum is σ = 125150772. Its totient is φ = 125150770.

The previous prime is 125150759. The next prime is 125150789. The reversal of 125150771 is 177051521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125150771 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (125150791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62575385 + 62575386.

It is an arithmetic number, because the mean of its divisors is an integer number (62575386).

Almost surely, 2^125150771 is an apocalyptic number.

125150771 is a deficient number, since it is larger than the sum of its proper divisors (1).

125150771 is an equidigital number, since it uses as much as digits as its factorization.

125150771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2450, while the sum is 29.

The square root of 125150771 is about 11187.0805396225. The cubic root of 125150771 is about 500.2009472296.

The spelling of 125150771 in words is "one hundred twenty-five million, one hundred fifty thousand, seven hundred seventy-one".