1144042012 has 12 divisors (see below), whose sum is σ = 2021511856. Its totient is φ = 566467200.

The previous prime is 1144042001. The next prime is 1144042021. The reversal of 1144042012 is 2102404411.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1387989 + ... + 1388812.

Almost surely, 2^1144042012 is an apocalyptic number.

It is an amenable number.

1144042012 is a deficient number, since it is larger than the sum of its proper divisors (877469844).

1144042012 is a wasteful number, since it uses less digits than its factorization.

1144042012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776908 (or 2776906 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1144042012 is about 33823.6901002833. The cubic root of 1144042012 is about 1045.8771088901.

Adding to 1144042012 its reverse (2102404411), we get a palindrome (3246446423).

The spelling of 1144042012 in words is "one billion, one hundred forty-four million, forty-two thousand, twelve".