121320937 has 2 divisors, whose sum is σ = 121320938. Its totient is φ = 121320936.

The previous prime is 121320917. The next prime is 121320967. The reversal of 121320937 is 739023121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118461456 + 2859481 = 10884^2 + 1691^2 .

It is a cyclic number.

It is not a de Polignac number, because 121320937 - 2¹¹ = 121318889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121320917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60660468 + 60660469.

It is an arithmetic number, because the mean of its divisors is an integer number (60660469).

Almost surely, 2^121320937 is an apocalyptic number.

It is an amenable number.

121320937 is a deficient number, since it is larger than the sum of its proper divisors (1).

121320937 is an equidigital number, since it uses as much as digits as its factorization.

121320937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 121320937 is about 11014.5783850314. The cubic root of 121320937 is about 495.0456537153.

The spelling of 121320937 in words is "one hundred twenty-one million, three hundred twenty thousand, nine hundred thirty-seven".