125727211 has 2 divisors, whose sum is σ = 125727212. Its totient is φ = 125727210.

The previous prime is 125727191. The next prime is 125727263. The reversal of 125727211 is 112727521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125727211 - 2⁷ = 125727083 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125727211.

It is not a weakly prime, because it can be changed into another prime (125727271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62863605 + 62863606.

It is an arithmetic number, because the mean of its divisors is an integer number (62863606).

Almost surely, 2^125727211 is an apocalyptic number.

125727211 is a deficient number, since it is larger than the sum of its proper divisors (1).

125727211 is an equidigital number, since it uses as much as digits as its factorization.

125727211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1960, while the sum is 28.

The square root of 125727211 is about 11212.8145886749. The cubic root of 125727211 is about 500.9677404152.

The spelling of 125727211 in words is "one hundred twenty-five million, seven hundred twenty-seven thousand, two hundred eleven".