1143102451 has 2 divisors, whose sum is σ = 1143102452. Its totient is φ = 1143102450.

The previous prime is 1143102449. The next prime is 1143102469. The reversal of 1143102451 is 1542013411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1143102451 - 2¹ = 1143102449 is a prime.

Together with 1143102449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1143102431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571551225 + 571551226.

It is an arithmetic number, because the mean of its divisors is an integer number (571551226).

Almost surely, 2^1143102451 is an apocalyptic number.

1143102451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143102451 is an equidigital number, since it uses as much as digits as its factorization.

1143102451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1143102451 is about 33809.7981508320. The cubic root of 1143102451 is about 1045.5907165886.

Adding to 1143102451 its reverse (1542013411), we get a palindrome (2685115862).

The spelling of 1143102451 in words is "one billion, one hundred forty-three million, one hundred two thousand, four hundred fifty-one".