1142086224 has 40 divisors (see below), whose sum is σ = 2965390560. Its totient is φ = 378759808.

The previous prime is 1142086213. The next prime is 1142086247. The reversal of 1142086224 is 4226802411.

It is a junction number, because it is equal to n+sod(n) for n = 1142086191 and 1142086200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50934 + ... + 69845.

It is an arithmetic number, because the mean of its divisors is an integer number (74134764).

Almost surely, 2^1142086224 is an apocalyptic number.

It is an amenable number.

1142086224 is an abundant number, since it is smaller than the sum of its proper divisors (1823304336).

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

1142086224 is a wasteful number, since it uses less digits than its factorization.

1142086224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120987 (or 120981 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 1142086224 is about 33794.7662220054. The cubic root of 1142086224 is about 1045.2807786223.

Adding to 1142086224 its reverse (4226802411), we get a palindrome (5368888635).

The spelling of 1142086224 in words is "one billion, one hundred forty-two million, eighty-six thousand, two hundred twenty-four".