1142432 has 24 divisors (see below), whose sum is σ = 2368800. Its totient is φ = 540864.

The previous prime is 1142431. The next prime is 1142473. The reversal of 1142432 is 2342411.

It is a self number, because there is not a number n which added to its sum of digits gives 1142432.

It is not an unprimeable number, because it can be changed into a prime (1142431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332 + ... + 1547.

It is an arithmetic number, because the mean of its divisors is an integer number (98700).

2^1142432 is an apocalyptic number.

It is an amenable number.

1142432 is an abundant number, since it is smaller than the sum of its proper divisors (1226368).

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

1142432 is a wasteful number, since it uses less digits than its factorization.

1142432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908 (or 1900 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 1142432 is about 1068.8461067899. The cubic root of 1142432 is about 104.5386257097.

Adding to 1142432 its reverse (2342411), we get a palindrome (3484843).

The spelling of 1142432 in words is "one million, one hundred forty-two thousand, four hundred thirty-two".