1142242011 has 6 divisors (see below), whose sum is σ = 1649905140. Its totient is φ = 761494668.

The previous prime is 1142242007. The next prime is 1142242037. The reversal of 1142242011 is 1102422411.

It is not a de Polignac number, because 1142242011 - 2² = 1142242007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142242711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63457881 + ... + 63457898.

It is an arithmetic number, because the mean of its divisors is an integer number (274984190).

Almost surely, 2^1142242011 is an apocalyptic number.

1142242011 is a deficient number, since it is larger than the sum of its proper divisors (507663129).

1142242011 is a wasteful number, since it uses less digits than its factorization.

1142242011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126915785 (or 126915782 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1142242011 is about 33797.0710417338. The cubic root of 1142242011 is about 1045.3283038586.

Adding to 1142242011 its reverse (1102422411), we get a palindrome (2244664422).

The spelling of 1142242011 in words is "one billion, one hundred forty-two million, two hundred forty-two thousand, eleven".