373828121 has 2 divisors, whose sum is σ = 373828122. Its totient is φ = 373828120.

The previous prime is 373828093. The next prime is 373828139. The reversal of 373828121 is 121828373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291726400 + 82101721 = 17080^2 + 9061^2 .

It is an emirp because it is prime and its reverse (121828373) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-373828121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (373828321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186914060 + 186914061.

It is an arithmetic number, because the mean of its divisors is an integer number (186914061).

Almost surely, 2^373828121 is an apocalyptic number.

It is an amenable number.

373828121 is a deficient number, since it is larger than the sum of its proper divisors (1).

373828121 is an equidigital number, since it uses as much as digits as its factorization.

373828121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 35.

The square root of 373828121 is about 19334.6352693812. The cubic root of 373828121 is about 720.3728271014.

The spelling of 373828121 in words is "three hundred seventy-three million, eight hundred twenty-eight thousand, one hundred twenty-one".