125255029 has 2 divisors, whose sum is σ = 125255030. Its totient is φ = 125255028.

The previous prime is 125255003. The next prime is 125255063. The reversal of 125255029 is 920552521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63632529 + 61622500 = 7977^2 + 7850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125255029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125255069) 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, 62627514 + 62627515.

It is an arithmetic number, because the mean of its divisors is an integer number (62627515).

Almost surely, 2^125255029 is an apocalyptic number.

It is an amenable number.

125255029 is a deficient number, since it is larger than the sum of its proper divisors (1).

125255029 is an equidigital number, since it uses as much as digits as its factorization.

125255029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 125255029 is about 11191.7393196947. The cubic root of 125255029 is about 500.3398076758.

The spelling of 125255029 in words is "one hundred twenty-five million, two hundred fifty-five thousand, twenty-nine".