1162254143 has 2 divisors, whose sum is σ = 1162254144. Its totient is φ = 1162254142.

The previous prime is 1162254133. The next prime is 1162254169. The reversal of 1162254143 is 3414522611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1162254143 - 2¹⁰ = 1162253119 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1162254133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581127071 + 581127072.

It is an arithmetic number, because the mean of its divisors is an integer number (581127072).

Almost surely, 2^1162254143 is an apocalyptic number.

1162254143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162254143 is an equidigital number, since it uses as much as digits as its factorization.

1162254143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 1162254143 is about 34091.8486298411. The cubic root of 1162254143 is about 1051.3977282811.

Adding to 1162254143 its reverse (3414522611), we get a palindrome (4576776754).

The spelling of 1162254143 in words is "one billion, one hundred sixty-two million, two hundred fifty-four thousand, one hundred forty-three".