1244105225 has 12 divisors (see below), whose sum is σ = 1682935440. Its totient is φ = 904803600.

The previous prime is 1244105221. The next prime is 1244105227. The reversal of 1244105225 is 5225014421.

It is not a de Polignac number, because 1244105225 - 2² = 1244105221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1244105194 and 1244105203.

It is not an unprimeable number, because it can be changed into a prime (1244105221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2261735 + ... + 2262284.

It is an arithmetic number, because the mean of its divisors is an integer number (140244620).

Almost surely, 2^1244105225 is an apocalyptic number.

It is an amenable number.

1244105225 is a deficient number, since it is larger than the sum of its proper divisors (438830215).

1244105225 is a wasteful number, since it uses less digits than its factorization.

1244105225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524040 (or 4524035 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1244105225 is about 35271.8758361389. The cubic root of 1244105225 is about 1075.5213551879.

Adding to 1244105225 its reverse (5225014421), we get a palindrome (6469119646).

The spelling of 1244105225 in words is "one billion, two hundred forty-four million, one hundred five thousand, two hundred twenty-five".