1121434142 has 8 divisors (see below), whose sum is σ = 1682294832. Its totient is φ = 560669200.

The previous prime is 1121434133. The next prime is 1121434159. The reversal of 1121434142 is 2414341211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1121434142³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 in 3 ways as a sum of consecutive naturals, for example, 27167 + ... + 54597.

It is an arithmetic number, because the mean of its divisors is an integer number (210286854).

Almost surely, 2^1121434142 is an apocalyptic number.

1121434142 is a deficient number, since it is larger than the sum of its proper divisors (560860690).

1121434142 is a wasteful number, since it uses less digits than its factorization.

1121434142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47874.

The product of its digits is 768, while the sum is 23.

The square root of 1121434142 is about 33487.8208010017. The cubic root of 1121434142 is about 1038.9418916586.

Adding to 1121434142 its reverse (2414341211), we get a palindrome (3535775353).

The spelling of 1121434142 in words is "one billion, one hundred twenty-one million, four hundred thirty-four thousand, one hundred forty-two".