1142132200 has 48 divisors (see below), whose sum is σ = 2896868160. Its totient is φ = 415320000.

The previous prime is 1142132197. The next prime is 1142132279. The reversal of 1142132200 is 22312411.

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 11 ways as a sum of consecutive naturals, for example, 257376 + ... + 261775.

It is an arithmetic number, because the mean of its divisors is an integer number (60351420).

Almost surely, 2^1142132200 is an apocalyptic number.

1142132200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142132200 is an abundant number, since it is smaller than the sum of its proper divisors (1754735960).

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

1142132200 is a wasteful number, since it uses less digits than its factorization.

1142132200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519178 (or 519169 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1142132200 is about 33795.4464388326. The cubic root of 1142132200 is about 1045.2948047624.

Adding to 1142132200 its reverse (22312411), we get a palindrome (1164444611).

The spelling of 1142132200 in words is "one billion, one hundred forty-two million, one hundred thirty-two thousand, two hundred".