1142424200 has 24 divisors (see below), whose sum is σ = 2656136730. Its totient is φ = 456969600.

The previous prime is 1142424197. The next prime is 1142424211. The reversal of 1142424200 is 24242411.

It can be written as a sum of positive squares in 3 ways, for example, as 701508196 + 440916004 = 26486^2 + 20998^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2855861 + ... + 2856260.

Almost surely, 2^1142424200 is an apocalyptic number.

1142424200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142424200 is an abundant number, since it is smaller than the sum of its proper divisors (1513712530).

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

1142424200 is a wasteful number, since it uses less digits than its factorization.

1142424200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712137 (or 5712128 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1142424200 is about 33799.7662713812. The cubic root of 1142424200 is about 1045.3838779523.

Adding to 1142424200 its reverse (24242411), we get a palindrome (1166666611).

The spelling of 1142424200 in words is "one billion, one hundred forty-two million, four hundred twenty-four thousand, two hundred".