1143624113 has 2 divisors, whose sum is σ = 1143624114. Its totient is φ = 1143624112.

The previous prime is 1143624073. The next prime is 1143624127. The reversal of 1143624113 is 3114263411.

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., 1013276224 + 130347889 = 31832^2 + 11417^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143624113 - 2⁸ = 1143623857 is a prime.

It is a super-2 number, since 2×1143624113² = 2615752223670073538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1143624133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571812056 + 571812057.

It is an arithmetic number, because the mean of its divisors is an integer number (571812057).

Almost surely, 2^1143624113 is an apocalyptic number.

It is an amenable number.

1143624113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143624113 is an equidigital number, since it uses as much as digits as its factorization.

1143624113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

The square root of 1143624113 is about 33817.5119279938. The cubic root of 1143624113 is about 1045.7497463683.

Adding to 1143624113 its reverse (3114263411), we get a palindrome (4257887524).

The spelling of 1143624113 in words is "one billion, one hundred forty-three million, six hundred twenty-four thousand, one hundred thirteen".