1143020242 has 16 divisors (see below), whose sum is σ = 2110191552. Its totient is φ = 452183760.

The previous prime is 1143020237. The next prime is 1143020293. The reversal of 1143020242 is 2420203411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3139984 + ... + 3140347.

It is an arithmetic number, because the mean of its divisors is an integer number (131886972).

Almost surely, 2^1143020242 is an apocalyptic number.

1143020242 is a deficient number, since it is larger than the sum of its proper divisors (967171310).

1143020242 is a wasteful number, since it uses less digits than its factorization.

1143020242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6280353.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1143020242 is about 33808.5823719363. The cubic root of 1143020242 is about 1045.5656505857.

Adding to 1143020242 its reverse (2420203411), we get a palindrome (3563223653).

The spelling of 1143020242 in words is "one billion, one hundred forty-three million, twenty thousand, two hundred forty-two".