1142120240343 has 24 divisors (see below), whose sum is σ = 1736780600880. Its totient is φ = 721246256640.

The previous prime is 1142120240297. The next prime is 1142120240353. The reversal of 1142120240343 is 3430420212411.

1142120240343 is a `hidden beast` number, since 1 + 1 + 4 + 212 + 0 + 2 + 403 + 43 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1142120240343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142120240353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 914905 + ... + 1766717.

It is an arithmetic number, because the mean of its divisors is an integer number (72365858370).

Almost surely, 2^{1142120240343} is an apocalyptic number.

1142120240343 is a deficient number, since it is larger than the sum of its proper divisors (594660360537).

1142120240343 is a wasteful number, since it uses less digits than its factorization.

1142120240343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859679 (or 859676 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1142120240343 its reverse (3430420212411), we get a palindrome (4572540452754).

The spelling of 1142120240343 in words is "one trillion, one hundred forty-two billion, one hundred twenty million, two hundred forty thousand, three hundred forty-three".