1142232404 has 12 divisors (see below), whose sum is σ = 2006022228. Its totient is φ = 569083200.

The previous prime is 1142232401. The next prime is 1142232409. The reversal of 1142232404 is 4042322411.

It can be written as a sum of positive squares in 2 ways, for example, as 669256900 + 472975504 = 25870^2 + 21748^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1142232404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142232401) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 506987 + ... + 509234.

It is an arithmetic number, because the mean of its divisors is an integer number (167168519).

Almost surely, 2^1142232404 is an apocalyptic number.

It is an amenable number.

1142232404 is a deficient number, since it is larger than the sum of its proper divisors (863789824).

1142232404 is a wasteful number, since it uses less digits than its factorization.

1142232404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016506 (or 1016504 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1142232404 is about 33796.9289137342. The cubic root of 1142232404 is about 1045.3253732195.

Adding to 1142232404 its reverse (4042322411), we get a palindrome (5184554815).

The spelling of 1142232404 in words is "one billion, one hundred forty-two million, two hundred thirty-two thousand, four hundred four".