1142052668 has 12 divisors (see below), whose sum is σ = 1998955392. Its totient is φ = 570922560.

The previous prime is 1142052647. The next prime is 1142052719. The reversal of 1142052668 is 8662502411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2213 + ... + 47843.

It is an arithmetic number, because the mean of its divisors is an integer number (166579616).

Almost surely, 2^1142052668 is an apocalyptic number.

It is an amenable number.

1142052668 is a deficient number, since it is larger than the sum of its proper divisors (856902724).

1142052668 is a wasteful number, since it uses less digits than its factorization.

1142052668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51892 (or 51890 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1142052668 is about 33794.2697509504. The cubic root of 1142052668 is about 1045.2705412793.

The spelling of 1142052668 in words is "one billion, one hundred forty-two million, fifty-two thousand, six hundred sixty-eight".