1162056143 has 4 divisors (see below), whose sum is σ = 1162450248. Its totient is φ = 1161662040.

The previous prime is 1162056139. The next prime is 1162056157. The reversal of 1162056143 is 3416502611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3416502611 = 307 ⋅11128673.

It is a cyclic number.

It is not a de Polignac number, because 1162056143 - 2² = 1162056139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162056193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192596 + ... + 198537.

It is an arithmetic number, because the mean of its divisors is an integer number (290612562).

Almost surely, 2^1162056143 is an apocalyptic number.

1162056143 is a deficient number, since it is larger than the sum of its proper divisors (394105).

1162056143 is an equidigital number, since it uses as much as digits as its factorization.

1162056143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394104.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1162056143 is about 34088.9445861851. The cubic root of 1162056143 is about 1051.3380200052.

Adding to 1162056143 its reverse (3416502611), we get a palindrome (4578558754).

The spelling of 1162056143 in words is "one billion, one hundred sixty-two million, fifty-six thousand, one hundred forty-three".