244122121025 has 24 divisors (see below), whose sum is σ = 304212129624. Its totient is φ = 194330624000.

The previous prime is 244122120989. The next prime is 244122121051. The reversal of 244122121025 is 520121221442.

It can be written as a sum of positive squares in 12 ways, for example, as 253064464 + 243869056561 = 15908^2 + 493831^2 .

It is not a de Polignac number, because 244122121025 - 2¹² = 244122116929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244122120985 and 244122121003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9312737 + ... + 9338913.

It is an arithmetic number, because the mean of its divisors is an integer number (12675505401).

Almost surely, 2^244122121025 is an apocalyptic number.

244122121025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

244122121025 is a deficient number, since it is larger than the sum of its proper divisors (60090008599).

244122121025 is a wasteful number, since it uses less digits than its factorization.

244122121025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28021 (or 28016 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 244122121025 its reverse (520121221442), we get a palindrome (764243342467).

The spelling of 244122121025 in words is "two hundred forty-four billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty-five".