1132021442 has 4 divisors (see below), whose sum is σ = 1698032166. Its totient is φ = 566010720.

The previous prime is 1132021441. The next prime is 1132021453. The reversal of 1132021442 is 2441202311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2441202311 = 499 ⋅4892189.

It can be written as a sum of positive squares in only one way, i.e., 721513321 + 410508121 = 26861^2 + 20261^2 .

It is not an unprimeable number, because it can be changed into a prime (1132021441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283005359 + ... + 283005362.

Almost surely, 2^1132021442 is an apocalyptic number.

1132021442 is a deficient number, since it is larger than the sum of its proper divisors (566010724).

1132021442 is an equidigital number, since it uses as much as digits as its factorization.

1132021442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566010723.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1132021442 is about 33645.5263296623. The cubic root of 1132021442 is about 1042.2011571271.

Adding to 1132021442 its reverse (2441202311), we get a palindrome (3573223753).

The spelling of 1132021442 in words is "one billion, one hundred thirty-two million, twenty-one thousand, four hundred forty-two".