1144413247 has 2 divisors, whose sum is σ = 1144413248. Its totient is φ = 1144413246.

The previous prime is 1144413233. The next prime is 1144413251. The reversal of 1144413247 is 7423144411.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7423144411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1144413247 - 2⁷ = 1144413119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144419247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572206623 + 572206624.

It is an arithmetic number, because the mean of its divisors is an integer number (572206624).

Almost surely, 2^1144413247 is an apocalyptic number.

1144413247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144413247 is an equidigital number, since it uses as much as digits as its factorization.

1144413247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 31.

The square root of 1144413247 is about 33829.1774508338. The cubic root of 1144413247 is about 1045.9902236753.

Adding to 1144413247 its reverse (7423144411), we get a palindrome (8567557658).

The spelling of 1144413247 in words is "one billion, one hundred forty-four million, four hundred thirteen thousand, two hundred forty-seven".