1121334142 has 4 divisors (see below), whose sum is σ = 1682001216. Its totient is φ = 560667070.

The previous prime is 1121334113. The next prime is 1121334187. The reversal of 1121334142 is 2414331211.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280333534 + ... + 280333537.

It is an arithmetic number, because the mean of its divisors is an integer number (420500304).

Almost surely, 2^1121334142 is an apocalyptic number.

1121334142 is a deficient number, since it is larger than the sum of its proper divisors (560667074).

1121334142 is an equidigital number, since it uses as much as digits as its factorization.

1121334142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560667073.

The product of its digits is 576, while the sum is 22.

The square root of 1121334142 is about 33486.3276875802. The cubic root of 1121334142 is about 1038.9110093940.

Adding to 1121334142 its reverse (2414331211), we get a palindrome (3535665353).

The spelling of 1121334142 in words is "one billion, one hundred twenty-one million, three hundred thirty-four thousand, one hundred forty-two".