1142000505 has 16 divisors (see below), whose sum is σ = 2030223360. Its totient is φ = 609066864.

The previous prime is 1142000437. The next prime is 1142000527. The reversal of 1142000505 is 5050002411.

It is not a de Polignac number, because 1142000505 - 2¹⁴ = 1141984121 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 4229497 + ... + 4229766.

It is an arithmetic number, because the mean of its divisors is an integer number (126888960).

Almost surely, 2^1142000505 is an apocalyptic number.

1142000505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1142000505 is a deficient number, since it is larger than the sum of its proper divisors (888222855).

1142000505 is an equidigital number, since it uses as much as digits as its factorization.

1142000505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8459277 (or 8459271 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1142000505 is about 33793.4979692840. The cubic root of 1142000505 is about 1045.2546268710.

Adding to 1142000505 its reverse (5050002411), we get a palindrome (6192002916).

The spelling of 1142000505 in words is "one billion, one hundred forty-two million, five hundred five", and thus it is an aban number.