1112020142 has 8 divisors (see below), whose sum is σ = 1668227832. Its totient is φ = 555944200.

The previous prime is 1112020121. The next prime is 1112020153. The reversal of 1112020142 is 2410202111.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 8084 + ... + 47847.

It is an arithmetic number, because the mean of its divisors is an integer number (208528479).

Almost surely, 2^1112020142 is an apocalyptic number.

1112020142 is a deficient number, since it is larger than the sum of its proper divisors (556207690).

1112020142 is an equidigital number, since it uses as much as digits as its factorization.

1112020142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65874.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1112020142 is about 33346.9660089190. The cubic root of 1112020142 is about 1036.0265486903.

Adding to 1112020142 its reverse (2410202111), we get a palindrome (3522222253).

The spelling of 1112020142 in words is "one billion, one hundred twelve million, twenty thousand, one hundred forty-two".