1142132 has 6 divisors (see below), whose sum is σ = 1998738. Its totient is φ = 571064.

The previous prime is 1142131. The next prime is 1142159. The reversal of 1142132 is 2312411.

It can be written as a sum of positive squares in only one way, i.e., 1136356 + 5776 = 1066^2 + 76^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142131) 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 as a sum of consecutive naturals, namely, 142763 + ... + 142770.

It is an arithmetic number, because the mean of its divisors is an integer number (333123).

2^1142132 is an apocalyptic number.

It is an amenable number.

1142132 is a deficient number, since it is larger than the sum of its proper divisors (856606).

1142132 is a wasteful number, since it uses less digits than its factorization.

1142132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285537 (or 285535 counting only the distinct ones).

The product of its digits is 48, while the sum is 14.

The square root of 1142132 is about 1068.7057593183. The cubic root of 1142132 is about 104.5294743748.

Adding to 1142132 its reverse (2312411), we get a palindrome (3454543).

The spelling of 1142132 in words is "one million, one hundred forty-two thousand, one hundred thirty-two".