121352201 has 2 divisors, whose sum is σ = 121352202. Its totient is φ = 121352200.

The previous prime is 121352131. The next prime is 121352233. The reversal of 121352201 is 102253121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74839801 + 46512400 = 8651^2 + 6820^2 .

It is a cyclic number.

It is not a de Polignac number, because 121352201 - 2¹⁰ = 121351177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121352201.

It is not a weakly prime, because it can be changed into another prime (121352281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60676100 + 60676101.

It is an arithmetic number, because the mean of its divisors is an integer number (60676101).

Almost surely, 2^121352201 is an apocalyptic number.

It is an amenable number.

121352201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121352201 is an equidigital number, since it uses as much as digits as its factorization.

121352201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 121352201 is about 11015.9975036308. The cubic root of 121352201 is about 495.0881739332.

The spelling of 121352201 in words is "one hundred twenty-one million, three hundred fifty-two thousand, two hundred one".