125075911 has 2 divisors, whose sum is σ = 125075912. Its totient is φ = 125075910.

The previous prime is 125075861. The next prime is 125075921. The reversal of 125075911 is 119570521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125075911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125075921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62537955 + 62537956.

It is an arithmetic number, because the mean of its divisors is an integer number (62537956).

Almost surely, 2^125075911 is an apocalyptic number.

125075911 is a deficient number, since it is larger than the sum of its proper divisors (1).

125075911 is an equidigital number, since it uses as much as digits as its factorization.

125075911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 31.

The square root of 125075911 is about 11183.7342153683. The cubic root of 125075911 is about 500.1011941848.

The spelling of 125075911 in words is "one hundred twenty-five million, seventy-five thousand, nine hundred eleven".