100120529 has 2 divisors, whose sum is σ = 100120530. Its totient is φ = 100120528.

The previous prime is 100120513. The next prime is 100120543. The reversal of 100120529 is 925021001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93566929 + 6553600 = 9673^2 + 2560^2 .

It is a cyclic number.

It is not a de Polignac number, because 100120529 - 2⁴ = 100120513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100120529.

It is not a weakly prime, because it can be changed into another prime (100128529) 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, 50060264 + 50060265.

It is an arithmetic number, because the mean of its divisors is an integer number (50060265).

Almost surely, 2^100120529 is an apocalyptic number.

It is an amenable number.

100120529 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120529 is an equidigital number, since it uses as much as digits as its factorization.

100120529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 100120529 is about 10006.0246351885. The cubic root of 100120529 is about 464.3452905099.

The spelling of 100120529 in words is "one hundred million, one hundred twenty thousand, five hundred twenty-nine".