244767121 has 2 divisors, whose sum is σ = 244767122. Its totient is φ = 244767120.

The previous prime is 244767119. The next prime is 244767143. The reversal of 244767121 is 121767442.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187553025 + 57214096 = 13695^2 + 7564^2 .

It is a cyclic number.

It is not a de Polignac number, because 244767121 - 2¹ = 244767119 is a prime.

Together with 244767119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (244767151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122383560 + 122383561.

It is an arithmetic number, because the mean of its divisors is an integer number (122383561).

Almost surely, 2^244767121 is an apocalyptic number.

It is an amenable number.

244767121 is a deficient number, since it is larger than the sum of its proper divisors (1).

244767121 is an equidigital number, since it uses as much as digits as its factorization.

244767121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 34.

The square root of 244767121 is about 15645.0350271260. The cubic root of 244767121 is about 625.5341532784.

The spelling of 244767121 in words is "two hundred forty-four million, seven hundred sixty-seven thousand, one hundred twenty-one".