1142505560 has 64 divisors (see below), whose sum is σ = 2997864000. Its totient is φ = 391711488.

The previous prime is 1142505557. The next prime is 1142505599. The reversal of 1142505560 is 655052411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27917 + ... + 55356.

It is an arithmetic number, because the mean of its divisors is an integer number (46841625).

Almost surely, 2^1142505560 is an apocalyptic number.

1142505560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142505560 is an abundant number, since it is smaller than the sum of its proper divisors (1855358440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142505560 is an equidigital number, since it uses as much as digits as its factorization.

1142505560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83305 (or 83287 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1142505560 is about 33800.9698085721. The cubic root of 1142505560 is about 1045.4086937237.

Adding to 1142505560 its reverse (655052411), we get a palindrome (1797557971).

The spelling of 1142505560 in words is "one billion, one hundred forty-two million, five hundred five thousand, five hundred sixty".