1142024243 has 4 divisors (see below), whose sum is σ = 1142095728. Its totient is φ = 1141952760.

The previous prime is 1142024239. The next prime is 1142024309. The reversal of 1142024243 is 3424202411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1142024243 - 2² = 1142024239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142014243) 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, 413 + ... + 47793.

It is an arithmetic number, because the mean of its divisors is an integer number (285523932).

Almost surely, 2^1142024243 is an apocalyptic number.

1142024243 is a deficient number, since it is larger than the sum of its proper divisors (71485).

1142024243 is an equidigital number, since it uses as much as digits as its factorization.

1142024243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71484.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1142024243 is about 33793.8491888687. The cubic root of 1142024243 is about 1045.2618691568.

Adding to 1142024243 its reverse (3424202411), we get a palindrome (4566226654).

The spelling of 1142024243 in words is "one billion, one hundred forty-two million, twenty-four thousand, two hundred forty-three".