125528311 has 2 divisors, whose sum is σ = 125528312. Its totient is φ = 125528310.

The previous prime is 125528267. The next prime is 125528317. The reversal of 125528311 is 113825521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125528311 - 2¹¹ = 125526263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125528311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125528317) 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, 62764155 + 62764156.

It is an arithmetic number, because the mean of its divisors is an integer number (62764156).

Almost surely, 2^125528311 is an apocalyptic number.

125528311 is a deficient number, since it is larger than the sum of its proper divisors (1).

125528311 is an equidigital number, since it uses as much as digits as its factorization.

125528311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 28.

The square root of 125528311 is about 11203.9417617194. The cubic root of 125528311 is about 500.7034245903.

The spelling of 125528311 in words is "one hundred twenty-five million, five hundred twenty-eight thousand, three hundred eleven".