1244012253 has 24 divisors (see below), whose sum is σ = 1841286048. Its totient is φ = 746460000.

The previous prime is 1244012243. The next prime is 1244012279. The reversal of 1244012253 is 3522104421.

It is not a de Polignac number, because 1244012253 - 2⁸ = 1244011997 is a prime.

It is a super-2 number, since 2×1244012253² = 3095132971228272018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244012243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19698 + ... + 53628.

It is an arithmetic number, because the mean of its divisors is an integer number (76720252).

Almost surely, 2^1244012253 is an apocalyptic number.

It is an amenable number.

1244012253 is a deficient number, since it is larger than the sum of its proper divisors (597273795).

1244012253 is a wasteful number, since it uses less digits than its factorization.

1244012253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34057 (or 34046 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1244012253 is about 35270.5578776407. The cubic root of 1244012253 is about 1075.4945632788.

Adding to 1244012253 its reverse (3522104421), we get a palindrome (4766116674).

The spelling of 1244012253 in words is "one billion, two hundred forty-four million, twelve thousand, two hundred fifty-three".