1244053253 has 16 divisors (see below), whose sum is σ = 1360043520. Its totient is φ = 1133936496.

The previous prime is 1244053249. The next prime is 1244053271. The reversal of 1244053253 is 3523504421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1244053253 - 2² = 1244053249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244052253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43376 + ... + 66102.

It is an arithmetic number, because the mean of its divisors is an integer number (85002720).

Almost surely, 2^1244053253 is an apocalyptic number.

It is an amenable number.

1244053253 is a deficient number, since it is larger than the sum of its proper divisors (115990267).

1244053253 is a wasteful number, since it uses less digits than its factorization.

1244053253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22856.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1244053253 is about 35271.1390941659. The cubic root of 1244053253 is about 1075.5063784873.

Adding to 1244053253 its reverse (3523504421), we get a palindrome (4767557674).

The spelling of 1244053253 in words is "one billion, two hundred forty-four million, fifty-three thousand, two hundred fifty-three".