100327121 has 2 divisors, whose sum is σ = 100327122. Its totient is φ = 100327120.

The previous prime is 100327063. The next prime is 100327133. The reversal of 100327121 is 121723001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100300225 + 26896 = 10015^2 + 164^2 .

It is a cyclic number.

It is not a de Polignac number, because 100327121 - 2¹⁸ = 100064977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100327121.

It is not a weakly prime, because it can be changed into another prime (100327141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50163560 + 50163561.

It is an arithmetic number, because the mean of its divisors is an integer number (50163561).

Almost surely, 2^100327121 is an apocalyptic number.

It is an amenable number.

100327121 is a deficient number, since it is larger than the sum of its proper divisors (1).

100327121 is an equidigital number, since it uses as much as digits as its factorization.

100327121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 100327121 is about 10016.3426958147. The cubic root of 100327121 is about 464.6644528803.

The spelling of 100327121 in words is "one hundred million, three hundred twenty-seven thousand, one hundred twenty-one".