1144112521 has 2 divisors, whose sum is σ = 1144112522. Its totient is φ = 1144112520.

The previous prime is 1144112507. The next prime is 1144112527. The reversal of 1144112521 is 1252114411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1141088400 + 3024121 = 33780^2 + 1739^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144112521 - 2¹³ = 1144104329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144112492 and 1144112501.

It is not a weakly prime, because it can be changed into another prime (1144112527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572056260 + 572056261.

It is an arithmetic number, because the mean of its divisors is an integer number (572056261).

Almost surely, 2^1144112521 is an apocalyptic number.

It is an amenable number.

1144112521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144112521 is an equidigital number, since it uses as much as digits as its factorization.

1144112521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 320, while the sum is 22.

The square root of 1144112521 is about 33824.7323862289. The cubic root of 1144112521 is about 1045.8985947660.

Adding to 1144112521 its reverse (1252114411), we get a palindrome (2396226932).

The spelling of 1144112521 in words is "one billion, one hundred forty-four million, one hundred twelve thousand, five hundred twenty-one".