244938121 has 2 divisors, whose sum is σ = 244938122. Its totient is φ = 244938120.

The previous prime is 244938073. The next prime is 244938149. The reversal of 244938121 is 121839442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136048896 + 108889225 = 11664^2 + 10435^2 .

It is a cyclic number.

It is not a de Polignac number, because 244938121 - 2⁷ = 244937993 is a prime.

It is not a weakly prime, because it can be changed into another prime (244938521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122469060 + 122469061.

It is an arithmetic number, because the mean of its divisors is an integer number (122469061).

Almost surely, 2^244938121 is an apocalyptic number.

It is an amenable number.

244938121 is a deficient number, since it is larger than the sum of its proper divisors (1).

244938121 is an equidigital number, since it uses as much as digits as its factorization.

244938121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 244938121 is about 15650.4990655250. The cubic root of 244938121 is about 625.6797902682.

The spelling of 244938121 in words is "two hundred forty-four million, nine hundred thirty-eight thousand, one hundred twenty-one".