244813121 has 4 divisors (see below), whose sum is σ = 279786432. Its totient is φ = 209839812.

The previous prime is 244813103. The next prime is 244813133. The reversal of 244813121 is 121318442.

244813121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 244813121 - 2¹⁴ = 244796737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244813171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17486645 + ... + 17486658.

It is an arithmetic number, because the mean of its divisors is an integer number (69946608).

Almost surely, 2^244813121 is an apocalyptic number.

It is an amenable number.

244813121 is a deficient number, since it is larger than the sum of its proper divisors (34973311).

244813121 is an equidigital number, since it uses as much as digits as its factorization.

244813121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34973310.

The product of its digits is 1536, while the sum is 26.

The square root of 244813121 is about 15646.5050730187. The cubic root of 244813121 is about 625.5733371477.

The spelling of 244813121 in words is "two hundred forty-four million, eight hundred thirteen thousand, one hundred twenty-one".