1244011245 has 16 divisors (see below), whose sum is σ = 2054625792. Its totient is φ = 642070080.

The previous prime is 1244011229. The next prime is 1244011253. The reversal of 1244011245 is 5421104421.

It is not a de Polignac number, because 1244011245 - 2⁴ = 1244011229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1337182 + ... + 1338111.

It is an arithmetic number, because the mean of its divisors is an integer number (128414112).

Almost surely, 2^1244011245 is an apocalyptic number.

1244011245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1244011245 is a deficient number, since it is larger than the sum of its proper divisors (810614547).

1244011245 is a wasteful number, since it uses less digits than its factorization.

1244011245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675332.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1244011245 is about 35270.5435880991. The cubic root of 1244011245 is about 1075.4942727943.

Adding to 1244011245 its reverse (5421104421), we get a palindrome (6665115666).

The spelling of 1244011245 in words is "one billion, two hundred forty-four million, eleven thousand, two hundred forty-five".